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
22319599Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 269
P-1
B1 = 1000000
B2 = 353440230
LL
StatusDateUserResidueShift
Verified2004-02-07David M. Moore0A9B0A0346BB12E77979576
Verified2010-01-02Sturle Sunde0A9B0A0346BB12E716391269
History
DateUserTypeResult
2022-02-11Sid & AndyNF-PM1
B1=1000000, B2=353440230
2021-11-21TheJudgerNF
no factor from 2^74 to 2^75
2021-10-02TheJudgerNF
no factor from 2^73 to 2^74
2021-09-06TheJudgerNF
no factor from 2^72 to 2^73
2021-09-06TheJudgerNF
no factor from 2^71 to 2^72
2021-09-06TheJudgerNF
no factor from 2^70 to 2^71
2017-05-17ramgeisNF
no factor from 2^69 to 2^70
2017-05-17ramgeisNF
no factor from 2^68 to 2^69
2017-05-01ramgeisNF
no factor from 2^67 to 2^68
2010-01-02Sturle SundeC-LL
0A9B0A0346BB12E7