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

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MnStatusDetails
10490521Factored
FactorDigitsBitsDate
1155044882565410602686498523992482566338123.12022-01-17 03:32:55
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2001-06-23Matthew P Harris21ACAF8580D430C12254083
Verified (Factored)2003-12-23Binary Digits21ACAF8580D430C13281781
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-01-26PoaoB5231A01041C264F1382937953
P-1 factors
DateFactorB1B2
2022-01-17115504488256541060268649852399248256631000000040116162240
History
DateUserTypeResult
2022-01-26SyntonyCERT
PRP Certification
Proof certified good
2022-01-26PoaoC-PRP
M10490521/11550448825654106026864985239924825663 : B5231A01041C264F
PRP proof power = 8
PRP: Verified
Proof certified good
2022-01-17LuminescenceF-PM1
Factor: 11550448825654106026864985239924825663 / (P-1, B1=10000000, B2=40116162240)
2021-11-02SRBaseNF
no factor from 2^71 to 2^72
2021-08-11SRBaseNF
no factor from 2^70 to 2^71
2020-08-14ViliamFNF
no factor from 2^69 to 2^70
2017-11-16ramgeisNF
no factor from 2^68 to 2^69
2017-09-25-Anonymous-NF
no factor from 2^67 to 2^68
2015-12-11VictordeHollanderNF
no factor from 2^66 to 2^67
2015-05-05ThaNF
no factor from 2^65 to 2^66
2013-12-19lycornNF
no factor from 2^64 to 2^65
2012-12-11NesowaNF-PM1
B1=145000, B2=2875000, E=6