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
42148153TF
No factors below 273
TF target 272
P-1
B1 = 380000
B2 = 1900000
LL
StatusDateUserResidueShift
Verified2010-11-29ahmerali94EA198CFE36C4ED23395380
Verified2018-01-05S48512294EA198CFE36C4ED25892348
History
DateUserTypeResult
2020-06-25Sid & AndyNF
no factor from 2^72 to 2^73
2018-01-05S485122C-LL
94EA198CFE36C4ED
2015-09-15AirSquirrelsNF
no factor from 2^71 to 2^72
2015-03-04Mark RoseNF
no factor from 2^70 to 2^71
2015-01-19Mark RoseNF
no factor from 2^69 to 2^70
2010-11-29ahmeraliC-LL
94EA198CFE36C4ED
2010-10-08ahmeraliNF-PM1
B1=380000, B2=1900000
2010-10-05ahmeraliNF
no factor to 2^69