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
128083939Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1130000
B2 = 1662897600
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-07-04_undefined_2813DB86EFD0E7D91607173013
History
DateUserTypeResult
2024-07-04S00030CERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-07-04_undefined_C-PRP
2813DB86EFD0E7D9
PRP proof power = 8
PRP: Verified
Proof certified good
2024-04-17Luke DurantNF-PM1
B1=1130000, B2=1662897600
2023-01-08TravisJankNF
no factor from 2^76 to 2^77
2023-01-08TravisJankNF
no factor from 2^75 to 2^76
2022-12-22SRBaseNF
no factor from 2^74 to 2^75
2021-07-15SRBaseNF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2016-05-29d3zorgNF
no factor from 2^71 to 2^72
2016-05-24Mihai PredaNF
no factor from 2^70 to 2^71
2015-01-26La GüiraNF
no factor from 2^69 to 2^70
2015-01-26La GüiraNF
no factor from 2^68 to 2^69
2015-01-26La GüiraNF
no factor from 2^67 to 2^68
2015-01-09rubikvn2100NF
no factor from 2^66 to 2^67
2012-09-27sasaki3NF
no factor from 2^65 to 2^66
2010-11-07garoNF
no factor from 2^64 to 2^65
2010-05-28ramgeisNF
no factor from 2^63 to 2^64