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

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MnDetails
1187
Composite, with 5 known prime factors. Cofactor is PRP (Probable-Prime).
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
256393618.0old
113603023926.8old
176153311796569621262632504998289734110.4old
76630283453129617658182619666012545417104112945149.1old
15332783328599845387420276794257034364997139364006820457169436963206.62010-01-30 19:50:30
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2024-09-06George WoltmanPRP_PRP_PRP_PRP_553413
History
DateUserTypeResult
2024-09-06George WoltmanP-PRPM1187/256393/113603023/1761533117965696212626325049982897/766302834531296176581826196660125454171041129/153327833285998453874202767942570343649971393640068204571694369
PRP Cofactor
2010-01-30-anonymous-F-ECMFactor: 153327833285998453874202767942570343649971393640068204571694369