Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
100999543Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 277
TF target 276
P-1
B1 = 1080000
B2 = 31050000
LL
StatusDateUserResidueShift
Unverified2016-03-14-Old-Tom-33D6BDC1D75F3F__1633238
History
DateUserTypeResult
2025-07-31JurzalNF
no factor from 2^76 to 2^77
2016-03-14Bruno VictalNF
no factor from 2^75 to 2^76
2016-03-14Bruno VictalNF
no factor from 2^74 to 2^75
2016-03-14Bruno VictalNF
no factor from 2^73 to 2^74
2016-03-14-Old-Tom-C-LL
33D6BDC1D75F3F__
2015-11-19timbitNF-PM1
B1=1080000, B2=31050000, E=6
2014-07-01bamNF
no factor from 2^72 to 2^73
2014-07-01bamNF
no factor from 2^71 to 2^72
2014-07-01bamNF
no factor from 2^70 to 2^71
2014-03-24Smok_bmv NF
no factor from 2^69 to 2^70
2014-03-24Smok_bmv NF
no factor from 2^68 to 2^69
2013-08-23Preben SNF
no factor from 2^67 to 2^68
2011-04-05Craig MeyersNF
no factor from 2^66 to 2^67
2011-02-20Craig MeyersNF
no factor from 2^65 to 2^66
2010-08-11Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-02-271997rj7NF
no factor from 2^63 to 2^64