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
61047131TF
No factors below 274
TF target 274
P-1
B1 = 525000
B2 = 8531250
LL
StatusDateUserResidueShift
Verified2014-06-11curtisc1563C5D7751B52ED22699397
Verified2022-03-06Sergey Nosov1563C5D7751B52ED22413431
History
DateUserTypeResult
2022-03-06Sergey NosovC-LL
1563C5D7751B52ED
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2014-06-11curtiscC-LL
1563C5D7751B52ED
2013-04-15Ilya AlexandrovNF-PM1
B1=525000, B2=8531250
2013-01-13DubslowNF
no factor from 2^70 to 2^74
2012-03-20-Anonymous-NF
no factor from 2^69 to 2^70
2009-09-06Sturle SundeNF
no factor from 2^68 to 2^69
2009-04-09arnaudNF
no factor from 2^67 to 2^68
2009-04-06arnaudNF
no factor from 2^66 to 2^67
2009-04-04arnaudNF
no factor from 2^65 to 2^66
2009-02-01Givon ZirkindNF
no factor from 2^64 to 2^65
2009-01-30AbadNF
no factor from 2^63 to 2^64