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
41953183TF
No factors below 274
TF target 272
P-1
B1 = 375000
B2 = 1875000
LL
StatusDateUserResidueShift
Verified2009-07-02ahmerali63F9BA44EB60927A10990889
Verified2017-11-17MadPoo63F9BA44EB60927A29937379
History
DateUserTypeResult
2020-01-24-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-06-Anonymous-NF
no factor from 2^72 to 2^73
2017-11-17MadPooC-LL
63F9BA44EB60927A
2015-08-24AirSquirrelsNF
no factor from 2^71 to 2^72
2015-02-23Mark RoseNF
no factor from 2^70 to 2^71
2015-01-12chalsallNF
no factor from 2^69 to 2^70
2009-07-02ahmeraliC-LL
63F9BA44EB60927A
2009-05-14ahmeraliNF-PM1
B1=375000, B2=1875000
2009-05-12ahmeraliNF
no factor to 2^69