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
1003193Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
635797459807271445.9old
224467700788451531754.32010-10-24 04:27:36
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP
StatusDateUserResidueShiftTypeBase
Verified (Factored)2025-09-01Kriesel34F2E3E778B2C030013
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-28Oliver Kruse2D35BAAA0D395B042013
Verified2017-10-15Oliver Kruse2D35BAAA0D395B04289027213
Verified2017-12-25ATH2D35BAAA0D395B04287776013
History
DateUserTypeResult
2025-09-01S147127CERT
PRP Certification
CERT proof power = 6
Proof certified good
2025-09-01KrieselC-PRP
34F2E3E778B2C030
PRP proof power = 6
PRP: Verified (Factored)
Proof certified good
2021-06-18ViliamFNF-PM1
B1=10000000, B2=1110000000
2017-12-25ATHC-PRP
M1003193/63579745980727/22446770078845153 : 2D35BAAA0D395B04
PRP: Verified
PRP without proof (not generated)
2017-10-15Oliver KruseC-PRP
M1003193/63579745980727/22446770078845153 : 2D35BAAA0D395B04
PRP: Verified
PRP without proof (not generated)
2017-09-28Oliver KruseC-PRP
M1003193/63579745980727/22446770078845153 : 2D35BAAA0D395B04
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=300000, B2=10000000, E=12
2010-10-24Michael CF
Factor: 22446770078845153