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

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MnStatusDetails
14033251Factored
FactorDigitsBitsDate
1050401170684596485788792476.52021-04-24 19:44:44
ECM
DigitsB1Curves
25500006 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2002-01-15Darek Mihocka7FA6E1B4BFE615733343096
Verified (Factored)2006-07-10Shane Sanford7FA6E1B4BFE615734947765
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-04-25Zhang Ruichong1DB8877D62AC7F1611293067853
History
DateUserTypeResult
2021-04-25curtiscCERT
PRP Certification
Proof certified good
2021-04-25Zhang RuichongC-PRP
M14033251/105040117068459648578879 : 1DB8877D62AC7F16
PRP proof power = 8
PRP: Verified
Proof certified good
2021-04-24masserF-PP1
Start=6/5, B1=500000, B2=10000000, Factor: 105040117068459648578879
2021-02-05masserNF
no factor from 2^71 to 2^72
2020-12-09masserNF-PM1
B1=550000, B2=12650000, e=12
2020-10-16masserNF
no factor from 2^70 to 2^71
2020-04-29masserNF
no factor from 2^69 to 2^70
2018-02-05ramgeisNF
no factor from 2^68 to 2^69
2018-02-05ramgeisNF
no factor from 2^67 to 2^68
2015-08-20ThaNF
no factor from 2^66 to 2^67
2014-07-22NesowaNF
no factor from 2^65 to 2^66