number digits prize factored .
number digits prize factored
RSA-100 100 Apr. 1991
RSA-110 110 Apr. 1992
RSA-120 120 Jun. 1993
RSA-129 129 $100 Apr. 1994
RSA-130 130 Apr. 10, 1996
RSA-140 140 Feb. 2, 1999
RSA-150 150 withdrawn? open [see postscript]
RSA-155 155 Aug. 22, 1999
RSA-160 160 Apr. 1, 2003
RSA-576 174 $10,000 Dec. 3, 2003
RSA-640 193 $20,000 open
RSA-704 212 $30,000 open
RSA-768 232 $50,000 open
RSA-896 270 $75,000 open
RSA-1024 309 $100,000 open
RSA-1536 463 $150,000 open
RSA-2048 617 $200,000 open
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