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
41890501TF
No factors below 274
TF target 272
P-1
B1 = 375000
B2 = 1875000
LL
StatusDateUserResidueShift
Verified2009-04-30ahmerali514DFDEFFBBF1CE033281277
Verified2017-08-31gbvalor514DFDEFFBBF1CE022513518
History
DateUserTypeResult
2020-01-05-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2017-08-31gbvalorC-LL
514DFDEFFBBF1CE0
2015-08-26AirSquirrelsNF
no factor from 2^71 to 2^72
2015-02-18Mark RoseNF
no factor from 2^70 to 2^71
2015-01-28Mark RoseNF
no factor from 2^69 to 2^70
2009-04-30ahmeraliC-LL
514DFDEFFBBF1CE0
2009-03-26ahmeraliNF-PM1
B1=375000, B2=1875000
2009-03-24ahmeraliNF
no factor to 2^69