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

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MnStatusDetails
1070659Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
77087449826.2old
74371079051111342.82008-07-16 09:30:57
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP
StatusDateUserResidueShiftTypeBase
Verified (Factored)2025-09-01Kriesel04FC96AFFFEB8F0D013
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-28Oliver KruseD197A1B683F2B4A12013
Verified2017-10-16Oliver KruseD197A1B683F2B4A1269962613
Verified2018-01-01ATHD197A1B683F2B4A1293669613
History
DateUserTypeResult
2025-09-01ANONYMOUSCERT
PRP Certification
CERT proof power = 6
Proof certified good
2025-09-01KrieselC-PRP
04FC96AFFFEB8F0D
PRP proof power = 6
PRP: Verified (Factored)
Proof certified good
2024-08-22cramsey87NF-PM1
B1=3000000, B2=22221719520
2018-01-01ATHC-PRP
M1070659/77087449/7437107905111 : D197A1B683F2B4A1
PRP: Verified
PRP without proof (not generated)
2017-10-16Oliver KruseC-PRP
M1070659/77087449/7437107905111 : D197A1B683F2B4A1
PRP: Verified
PRP without proof (not generated)
2017-09-28Oliver KruseC-PRP
M1070659/77087449/7437107905111 : D197A1B683F2B4A1
PRP: Verified
PRP without proof (not generated)
2008-07-16J FeitsmaF
Factor: 7437107905111