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

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MnDetails
1033
Composite, with 4 known prime factors. Cofactor is PRP (Probable-Prime).
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
196271617.6old
36913223825.1old
8891033897335943407677603811907434071628141136.0old
16377162990082876967136396347286189095363183827348156.8old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2024-09-06George WoltmanPRP_PRP_PRP_PRP_436613
History
DateUserTypeResult
2024-09-06George WoltmanP-PRPM1033/196271/36913223/88910338973359434076776038119074340716281/163771629900828769671363963472861890953631838273
PRP Cofactor
2004-09-16LupoF-ECMFactor: 88910338973359434076776038119074340716281