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
181270763Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 278
P-1
B1 = 1570000
B2 = 1619946900
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-01-09laxeye9A869E9F4F03C04210501524913
History
DateUserTypeResult
2025-01-09Joan GayonCERT
PRP Certification
CERT proof power = 8
Proof certified good
2025-01-09laxeyeC-PRP
9A869E9F4F03C042
PRP proof power = 8
PRP: Verified
Proof certified good
2024-10-08SRBaseNF
no factor from 2^75 to 2^76
2024-10-02Luke DurantNF-PM1
B1=1570000, B2=1619946900
2023-04-02SRBaseNF
no factor from 2^74 to 2^75
2022-01-06SRBaseNF
no factor from 2^73 to 2^74
2018-10-20glennpatNF
no factor from 2^72 to 2^73
2018-04-21ZenghuiNF
no factor from 2^71 to 2^72
2018-04-16La GüiraNF
no factor from 2^70 to 2^71
2018-04-06ZenghuiNF
no factor from 2^69 to 2^70
2017-05-31WileECoyoteNF
no factor from 2^68 to 2^69
2016-07-21HappywooseokNF
no factor from 2^67 to 2^68
2015-07-27tscNF
no factor from 2^66 to 2^67
2013-05-05bamNF
no factor from 2^65 to 2^66
2011-03-22-Anonymous-NF
no factor from 2^64 to 2^65
2010-07-23sannerud.comNF
no factor from 2^63 to 2^64