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
8215957
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
12323935511030.2old
17213832378859911650.62014-06-04 11:31:47
1110654890946227225992166.62020-06-09 11:25:21
9142188066012080093681272479.62024-02-27 02:27:39
P-1 factors
DateFactorsB1B2
2024-02-27914218806601208009368127
30000006161590050
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
PRP without proof (not generated)
2018-09-17Oliver Kruse066AD74C222265142674108353
Factored
PRP without proof (not generated)
2020-03-11marssystems066AD74C22226514256707053
Factored
PRP without proof (not generated)
2020-06-11Luigi Morelli066AD74C22226514359416053
Verified
Certified Good
2024-03-08InsolentJaguar066AD74C22226514434245853
History
DateUserTypeResult
2024-03-08FlyingEagleCERT
Proof certified good
2024-03-08InsolentJaguarC-PRPM8215957/1232393551/1721383237885991/111065489094622722599/914218806601208009368127 : 066AD74C22226514
Proof Certified Good

Proof Power: 8

2024-02-27Stef42F-PM1Factor: 914218806601208009368127 / B1=3000000, B2=6161590050
2020-06-11Luigi MorelliC-PRPM8215957/1232393551/1721383237885991/111065489094622722599 : 066AD74C22226514
2020-06-09TJAOIFFactor: 111065489094622722599
2020-03-11marssystemsC-PRPM8215957/1232393551/1721383237885991 : 066AD74C22226514
2018-09-17Oliver KruseC-PRPM8215957/1232393551/1721383237885991 : 066AD74C22226514
2014-06-04TJAOIFFactor: 1721383237885991