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
41518849TF
No factors below 274
TF target 272
P-1
B1 = 460000
B2 = 11500000
LL
StatusDateUserResidueShift
Verified2009-07-16ahmeraliCCA1A5D693F170A92857854
Verified2015-12-05-Anonymous-CCA1A5D693F170A928569553
History
DateUserTypeResult
2020-01-04-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-11-Anonymous-NF
no factor from 2^72 to 2^73
2017-03-03Bruno VictalNF-PM1
B1=460000, B2=11500000, E=12
2015-12-05-Anonymous-C-LL
CCA1A5D693F170A9
2015-10-04AirSquirrelsNF
no factor from 2^71 to 2^72
2015-01-13chalsallNF
no factor from 2^70 to 2^71
2015-01-10Mark RoseNF
no factor from 2^69 to 2^70
2009-07-16ahmeraliC-LL
CCA1A5D693F170A9
2009-03-14ahmeraliNF-PM1
B1=375000, B2=1875000
2009-03-12ahmeraliNF
no factor to 2^69