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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MnStatusDetails
40449707TF
No factors below 273
TF target 272
P-1
B1 = 445000
B2 = 11125000
LL
StatusDateUserResidueShift
Verified2008-09-24C. Cooper / S. BooneCA39CDBEBA93A27037127982
Verified2015-09-09-Anonymous-CA39CDBEBA93A27013652721
History
DateUserTypeResult
2022-04-13Sid & AndyNF
no factor from 2^72 to 2^73
2017-03-01Bruno VictalNF-PM1
B1=445000, B2=11125000, E=12
2015-09-09-Anonymous-C-LL
CA39CDBEBA93A270
2015-04-06Gordon SpenceNF
no factor from 2^71 to 2^72
2015-01-07David CampeauNF
no factor from 2^70 to 2^71
2015-01-05Mark RoseNF
no factor from 2^69 to 2^70