Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnDetails
1693
Composite, with 4 known prime factors. Cofactor is PRP (Probable-Prime).
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
10159513.3old
336191272109343240694677849295331101.4old
41407370770870835921358036711503933108.4old
2163785948632654674011880092623636207338124.0old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2017-11-16kkmrkkblmbrbkPRP_PRP_PRP_PRP_4106713
History
DateUserTypeResult
2017-11-16kkmrkkblmbrbkP-PRPM1693/10159/3361912721093432406946778492953/414073707708708359213580367115039/21637859486326546740118800926236362073
PRP Cofactor
2009-03-05-anonymous-F-ECMFactor: 21637859486326546740118800926236362073
2009-03-05-anonymous-F-ECMFactor: 414073707708708359213580367115039
2009-03-05-anonymous-F-ECMFactor: 3361912721093432406946778492953