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:










MnStatusDetails
12871051Factored
FactorDigitsBitsDate
21623365691031.0old
4392548503929979782172168.62022-05-17 11:24:30
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-05-23XZT36C73C3762E6C16B2714207753
P-1 factors
DateFactorB1B2
2022-05-17439254850392997978217400000428459850
History
DateUserTypeResult
2022-05-23Yank_In_LondonCERT
PRP Certification
Proof certified good
2022-05-23XZTC-PRP
M12871051/2162336569/439254850392997978217 : 36C73C3762E6C16B
PRP proof power = 8
PRP: Verified
Proof certified good
2022-05-17nordiF-PM1
Factor: 439254850392997978217 / (P-1, B1=400000, B2=428459850)
2022-05-15nordiNF-PM1
B1=400000