Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
1106101
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 260
Factored
FactorDigitsBitsDate
980005487929.9old
22747756467161691651.02014-06-16 12:31:16
903442866233763676247439592686.22018-04-27 11:29:36
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
StatusProofDateUserResidueShiftTypeBase
Factored
Certified Good
Power=6
2025-09-01Kriesel556A41A9C41EF561013
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
PRP without proof (not generated)
2017-09-29Oliver KruseB9C113884F9A82162013
Factored
PRP without proof (not generated)
2017-10-16Oliver KruseB9C113884F9A8216241071713
Factored
PRP without proof (not generated)
2018-01-01ATHB9C113884F9A821626968813
Verified
PRP without proof (not generated)
2018-04-29Oliver Kruse556A41A9C41EF561332763053
Verified
PRP without proof (not generated)
2018-05-01storm5510556A41A9C41EF561311791453
History
DateUserTypeResult
2025-09-02ANONYMOUSCERT
Proof certified good
2025-09-01KrieselC-PRP556A41A9C41EF561
Proof Certified Good

Proof Power: 6

2024-05-06cramsey87NF-PM1B1=500000, B2=5014687860
2018-05-01storm5510C-PRPM1106101/980005487/2274775646716169/90344286623376367624743959 : 556A41A9C41EF561
2018-04-29Oliver KruseC-PRPM1106101/980005487/2274775646716169/90344286623376367624743959 : 556A41A9C41EF561
2018-04-27TJAOIF-ECMFactor: 90344286623376367624743959
2018-01-01ATHC-PRPM1106101/980005487/2274775646716169 : B9C113884F9A8216
2017-10-16Oliver KruseC-PRPM1106101/980005487/2274775646716169 : B9C113884F9A8216
2017-09-29Oliver KruseC-PRPM1106101/980005487/2274775646716169 : B9C113884F9A8216
2016-03-17alpertronNF-PM1B1=300000, B2=10000000, E=12
2014-06-16TJAOIFFactor: 2274775646716169