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
22737457Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 269
P-1
B1 = 1200000
B2 = 61200000
LL
StatusDateUserResidueShift
Verified2004-03-01C. Cooper / S. Boone3CF1D0250BFC7C023327701
Verified2009-10-25TheJudger3CF1D0250BFC7C0219829559
History
DateUserTypeResult
2021-09-27Oliver KruseNF-PM1
B1=1200000, B2=61200000, E=24
2021-09-16TheJudgerNF
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
2017-08-11ramgeisNF
no factor from 2^69 to 2^70
2017-08-11ramgeisNF
no factor from 2^68 to 2^69
2017-04-28ramgeisNF
no factor from 2^67 to 2^68
2009-10-25TheJudgerC-LL
3CF1D0250BFC7C02