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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Exponent Range:










MnStatusDetails
43135921TF
No factors below 274
TF target 272
P-1
B1 = 1000000
B2 = 20000000
LL
StatusDateUserResidueShift
Verified2009-06-13-Anonymous-C0721077268951F4231333
Verified2016-04-29baseyC0721077268951F47505938
History
DateUserTypeResult
2020-01-10-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-28Sid & AndyNF-PM1
B1=1000000, B2=20000000, E=6
2019-08-08Random GPUsNF
no factor from 2^72 to 2^73
2016-04-29baseyC-LL
C0721077268951F4
2015-10-18AirSquirrelsNF
no factor from 2^71 to 2^72
2015-09-01Judge HaleNF
no factor from 2^70 to 2^71
2015-07-01Carsten KossendeyNF
no factor from 2^69 to 2^70
2009-06-13-Anonymous-C-LL
C0721077268951F4
2009-04-22-Anonymous-NF-PM1
B1=650000
2009-04-22-Anonymous-NF
no factor to 2^69