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
22948921Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 269
P-1
B1 = 245000
B2 = 3736250
LL
StatusDateUserResidueShift
Bad2004-06-04Burt Wagner8AF16CAF70B7003417049066
Verified2010-03-25DustyC53B6738357EB57D936997
Verified2010-09-18lycornC53B6738357EB57D6392941
History
DateUserTypeResult
2021-01-07-Anonymous-NF
no factor from 2^72 to 2^73
2021-01-05-Anonymous-NF
no factor from 2^71 to 2^72
2021-01-05-Anonymous-NF
no factor from 2^70 to 2^71
2017-07-22ramgeisNF
no factor from 2^69 to 2^70
2017-07-22ramgeisNF
no factor from 2^68 to 2^69
2017-04-09YxinityNF
no factor from 2^67 to 2^68
2010-09-18lycornC-LL
C53B6738357EB57D
2010-03-25DustyC-LL
C53B6738357EB57D