RSA Factoring Challenge RSA Factoring Challenge The RSA Factoring Challenge is a challenge put forward by RSA Laboratories on March 18 1991 to encourage research into computational number theory and the practical difficulty of factoring large integers. They published a list of semiprimes (numbers with exactly two prime factors) known as the RSA numbers, with a cash prize for the successful factorization of some of them. The smallest of them, a 100 decimal digit number called RSA-100 was factored in a few days, but many of the bigger numbers have still not been factored and are expected to remain so for quite some time. ...more on Wikipedia about "RSA Factoring Challenge"
In mathematics, RSA-100 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. It was factored in April 1991 by Arjen K. Lenstra in a few days. ...more on Wikipedia about "RSA-100"
In mathematics, RSA-1024 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. RSA-1024 has a length of 309 decimal digits and has not been factored so far; a cash prize of $100,000 USD has been offered for successful factorisation by RSA Security. ...more on Wikipedia about "RSA-1024"
In mathematics, RSA-110 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. It was factored in April 1992 by Arjen K. Lenstra and Mark S. Manasse in approximately one month. ...more on Wikipedia about "RSA-110"
In mathematics, RSA-120 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. It was factored in June 1993 by Thomas Denny, Bruce A. Dodson, Arjen K. Lenstra, and Mark S. Manasse. The computation took under three months of actual computer time. ...more on Wikipedia about "RSA-120"
In mathematics, RSA-129 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. It was factored in April 1994 by a team led by Derek Atkins, Michael Graff, Arjen K. Lenstra, and Paul Leyland, using about 600 computers connected over the Internet; a $100 USD token prize was awarded by RSA Security for the factorisation, which was donated to the Free Software Foundation. ...more on Wikipedia about "RSA-129"
In mathematics, RSA-130 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. It was factored on April 10 1996 by a team led by Arjen K. Lenstra and comprised of Jim Cowie, Marije Elkenbracht-Huizing, Wojtek Furmanski, Peter L. Montgomery, Damian Weber and Joerg Zayer. ...more on Wikipedia about "RSA-130"
In mathematics, RSA-140 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. It was factored on February 2 1999 by a team led by Herman J. J. te Riele and comprised of Stefania Cavallar, Bruce Dodson, Arjen K. Lenstra, Paul Leyland, Walter Lioen, Peter Montgomery, Brian Murphy and Paul Zimmermann. ...more on Wikipedia about "RSA-140"
In mathematics, RSA-150 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. It was withdrawn from the challenge by RSA Security. RSA-150 was eventually factored into two 75-digit primes by Aoki et al. in 2004 using GNFS, years after bigger RSA numbers that were still part of the challenge. ...more on Wikipedia about "RSA-150"
In mathematics, RSA-1536 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. RSA-1536 has a length of 463 decimal digits and has not been factored so far; a cash prize of US$150000 has been offered for successful factorisation by RSA Security. ...more on Wikipedia about "RSA-1536"
In mathematics, RSA-155 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. It was factored on August 22 1999 by a team led by Herman te Riele and comprised of Stefania Cavallar, Bruce Dodson, Arjen K. Lenstra, Walter Lioen, Peter L. Montgomery, Brian Murphy, Karen Aardal, Jeff Gilchrist, Gerard Guillerm, Paul Leyland, Joel Marchand, Francois Morain, Alec Muffett, Craig Putnam, Chris Putnam and Paul Zimmermann. ...more on Wikipedia about "RSA-155"
In mathematics, RSA-160 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. It was factored on April 1 2003 by a team from the University of Bonn and the German Bundesamt für Sicherheit in der Informationstechnik (BSI, "Federal office for information security"). ( J. Franke, F. Bahr, T. Kleinjung, M. Lochter, M. Böhm) ...more on Wikipedia about "RSA-160"
In mathematics, RSA-170 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. RSA-170 has a length of 170 decimal digits and has not been factored so far. ...more on Wikipedia about "RSA-170"
In mathematics, RSA-180 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. RSA-180 has a length of 180 decimal digits and has not been factored so far. ...more on Wikipedia about "RSA-180"
In mathematics, RSA-190 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. RSA-190 has a length of 190 decimal digits and has not been factored so far. ...more on Wikipedia about "RSA-190"
In mathematics, RSA-200 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. RSA-200 has a length of 200 decimal digits and factors into the two 100-digit primes given below. The factorization was announced on May 9 2005 by F. Bahr, M. Boehm, J. Franke, and T. Kleinjung. ...more on Wikipedia about "RSA-200"
In mathematics, RSA-2048 is the largest of the RSA numbers (large semiprimes that are part of the RSA Factoring Challenge), and carries the largest cash prize for its factorisation, US$200,000. RSA-2048 has a length of 2048 bits (617 decimal digits). The largest RSA number ever factored is 663 bits long (200 decimal digits), and the ability to factor RSA-2048 probably will not be achieved for decades. ...more on Wikipedia about "RSA-2048"
In mathematics, RSA-210 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. RSA-210 has a length of 210 decimal digits and has not been factored so far. ...more on Wikipedia about "RSA-210"
In mathematics, RSA-220 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. RSA-220 has a length of 220 decimal digits and has not been factored so far. ...more on Wikipedia about "RSA-220"
In mathematics, RSA-230 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. RSA-230 has a length of 230 decimal digits and has not been factored so far. ...more on Wikipedia about "RSA-230"
In mathematics, RSA-232 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. RSA-232 has a length of 232 decimal digits and has not been factored so far. ...more on Wikipedia about "RSA-232"
In mathematics, RSA-240 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. RSA-240 has a length of 240 decimal digits and has not been factored so far. ...more on Wikipedia about "RSA-240"
In mathematics, RSA-250 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. RSA-250 has a length of 250 decimal digits and has not been factored so far. ...more on Wikipedia about "RSA-250"
In mathematics, RSA-260 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. RSA-260 has a length of 260 decimal digits and has not been factored so far. ...more on Wikipedia about "RSA-260"
In mathematics, RSA-270 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. RSA-270 has a length of 270 decimal digits and has not been factored so far. ...more on Wikipedia about "RSA-270"
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