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
139971889Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1181000
B2 = 1226374050
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-09-04q64F8FEB6A47961095E013
History
DateUserTypeResult
2025-09-04schweigmonCERT
PRP Certification
CERT proof power = 10
Proof certified good
2025-09-04q64C-PRP
F8FEB6A47961095E
PRP proof power = 10
PRP: Verified
Proof certified good
2024-09-25Luke DurantNF-PM1
B1=1181000, B2=1226374050
2024-07-15Luke DurantNF
no factor from 2^76 to 2^77
2024-07-11Luke DurantNF
no factor from 2^75 to 2^76
2023-01-18SRBaseNF
no factor from 2^74 to 2^75
2021-09-09LordJuliusNF
no factor from 2^73 to 2^74
2021-09-07LordJuliusNF
no factor from 2^1 to 2^63
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2017-02-07nate.andersNF
no factor from 2^71 to 2^72
2017-02-05guruNF
no factor from 2^70 to 2^71
2016-08-31DerekNF
no factor from 2^69 to 2^70
2016-08-31DerekNF
no factor from 2^68 to 2^69
2016-08-17tmorrowNF
no factor from 2^67 to 2^68
2015-02-13vwflat4NF
no factor from 2^66 to 2^67
2012-12-03Christopher TompkinsNF
no factor from 2^65 to 2^66
2010-12-09subgeniusNF
no factor from 2^64 to 2^65
2010-06-13Charles A. MorrisNF
no factor from 2^63 to 2^64