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
102212519Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime
TF
No factors below 276
TF target 276
P-1
B1 = 850000
B2 = 17425000
PRP
StatusDateUserResidueShiftTypeBase
Unverified (Reliable)2021-01-28Eric Clements20656EF109C3E1__1091942913
History
DateUserTypeResult
2021-01-28Eric ClementsC-PRP
20656EF109C3E1__
PRP: Unverified (Reliable)
PRP without proof (not generated)
2021-01-18Eric ClementsNF-PM1
B1=850000, B2=17425000, E=6
2020-10-20penluNF
no factor from 2^75 to 2^76
2020-10-19Richard ThomasNF
no factor from 2^74 to 2^75
2020-04-02SRBaseNF
no factor from 2^73 to 2^74
2020-03-30SRBaseNF
no factor from 2^72 to 2^73
2017-10-22el groccoNF
no factor from 2^71 to 2^72
2014-12-22shaugeNF
no factor from 2^70 to 2^71
2013-10-16Mike IsraelNF
no factor from 2^69 to 2^70
2013-10-12Cow_tippingNF
no factor from 2^68 to 2^69
2013-09-29SMoffatNF
no factor from 2^67 to 2^68
2013-09-07processinfoNF
no factor from 2^66 to 2^67
2012-04-21Torchwood InstituteNF
no factor from 2^65 to 2^66
2010-08-17sasaki3NF
no factor from 2^64 to 2^65
2010-05-101997rj7NF
no factor from 2^63 to 2^64