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

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MnStatusDetails
101359Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
78100453823747701540606913439390837653985681745149.12022-12-09 03:36:40
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000001276 / 4588
Estimated T-Level: 36.4 ⓘ
TF below 2^116 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Unknown70020
Verified (Factored)Robert ClarkF271B105EE8DF0020
Verified (Factored)Brian J. BeesleyF271B105EE8DF0020
Verified (Factored)Eivind TrielF271B105EE8DF00284796
Verified (Factored)2016-06-01MadPooF271B105EE8DF0022481
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-12-09Oliver KruseCF532E770933C19D13527053
Verified2022-12-15Funky WaddleCF532E770933C19D18402953
P-1 factors
DateFactorB1B2
2022-12-0978100453823747701540606913439390837653985681710000000000879161696813400
History
DateUserTypeResult
2022-12-15Funky WaddleC-PRP
M101359/781004538237477015406069134393908376539856817 : CF532E770933C19D
PRP: Verified
PRP without proof (small exponent)
2022-12-09Oliver KruseC-PRP
M101359/781004538237477015406069134393908376539856817 : CF532E770933C19D
PRP: Verified
PRP without proof (small exponent)
2022-12-09Oliver KruseF-PM1
Factor: 781004538237477015406069134393908376539856817 / (P-1, B1=10000000000, B2=879161696813400)
2022-04-15Gordon SpenceNF
no factor from 2^67 to 2^68
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2021-04-28Oliver KruseNF-PP1
Start=2/7, B1=50000000, B2=7050000000
2020-01-22Gordon SpenceNF
no factor from 2^66 to 2^67
2019-04-27BloodERazorNF
no factor from 2^65 to 2^66
2018-02-18BloodERazorNF
no factor from 2^64 to 2^65
2017-03-18mikrNF-PM1
B1=350000000, B2=25500000000, E=12
2016-06-01MadPooC-LL
F271B105EE8DF002
2016-02-23Mark RoseNF
no factor from 2^57 to 2^58
2016-02-17Gordon SpenceNF
no factor from 2^63 to 2^64
2016-02-04monstedNF
no factor from 2^62 to 2^63
2015-07-16NRNF
no factor from 2^61 to 2^62
2012-11-21alpertronNF-PM1
B1=100000000, B2=2000000000, E=12
2012-03-03Richard B. WoodsNF
no factor from 2^60 to 2^61
2009-02-03monstNF
no factor from 2^59 to 2^60
2009-01-05Sturle SundeNF
no factor from 2^58 to 2^59