Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
8070871
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
290551356011134.8old
1070049587850498901432166.52020-05-13 10:18:55
1232173703655473714414083372786.72024-02-26 23:13:49
P-1 factors
DateFactorsB1B2
2024-02-26123217370365547371441408337
9590002044750890
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-07-30Oliver Kruse4EF1247C5242D5DD1352246553
Factored
PRP without proof (not generated)
2020-01-19GdS4EF1247C5242D5DD1431538353
Factored
PRP without proof (not generated)
2020-05-17ANONYMOUS4EF1247C5242D5DD2121176253
Verified
Certified Good
2024-03-24InsolentJaguar4EF1247C5242D5DD3217708753
History
DateUserTypeResult
2024-03-24Ryan L BoothCERT
Proof certified good
2024-03-24InsolentJaguarC-PRPM8070871/29055135601/107004958785049890143/123217370365547371441408337 : 4EF1247C5242D5DD
Proof Certified Good

Proof Power: 8

2024-02-26Stef42F-PM1Factor: 123217370365547371441408337 / B1=959000, B2=2044750890
2020-05-17ANONYMOUSC-PRPM8070871/29055135601/107004958785049890143 : 4EF1247C5242D5DD
2020-05-13TJAOIFFactor: 107004958785049890143
2020-01-19GdSC-PRPM8070871/29055135601 : 4EF1247C5242D5DD
2018-07-30Oliver KruseC-PRPM8070871/29055135601 : 4EF1247C5242D5DD