Factorization Announcements
General Number Field Sieve
116-digit factorization
.
119-digit factorization
.
Factorization of RSA-130
.
Factorization of RSA-140
.
Factorization of RSA-155
.
Factorization of 512-bit Simon Singh cipher challenge number
.
Factorization of 158-digit cofactor of 2^953 + 1
.
Factorization of RSA-160
.
Factorization of a 164-digit cofactor of 2^1826 + 1
(from http://www.rkmath.rikkyo.ac.jp/~kida/gnfs164e.htm).
Factorization of RSA-576
.
Factorization of RSA-170
(from http://public.fh-wolfenbuettel.de/~kronema/pdf/rsa170.pdf).
Factorization of 176-digit number
.
Factorization of RSA-180
.
Factorization of RSA-640
.
Factorization of RSA-200
.
Factorization of RSA-768
.
FACTORISATION OF RSA-220 WITH CADO-NFS
(from http://www.loria.fr/~zimmerma/papers/rsa220.pdf).
NEW!
Special Number Field Sieve
Early SNFS records
(from http://krum.rz.uni-mannheim.de/cabench/sieve-record.html).
186-digit factorization
.
211-digit factorization
.
233-digit factorization
(from ftp://ftp.cwi.nl/pub/herman/SNFSrecords/SNFS-233).
244-digit factorization
.
248-digit factorization
.
274-digit factorization
. Also available
here
.
313-digit (1039-bit) factorization
.
Factorization of a 1061-bit number by the Special Number Field Sieve
Elliptic Curve method
Factorization of F10
(from Richard Brent's web site).
A factor of F13
(from Richard Brent's web site).
54-digit penultimate prime found with ECM
.
Large factorizations found by ECM
(from Richard Brent's web site).
100 large ECM factorizations
(from Paul Zimmermann's web site).
Quadratic Sieve
116-digit factorization
.
Factorization of RSA-120
.
Factorization of RSA-129
.
Factorization of a 135-digit number using three large primes.
Other factoring algorithms
Factorization of F8
(from Richard Brent's web site).
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.