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:










MnStatusDetails
610457Factored
FactorDigitsBitsDate
907152371479390731756.3old
8285724180566960822501403241690332106.02022-12-19 13:20:30
ECM
DigitsB1Curves
2550000280 / 280
30250000214 / 640
Estimated T-Level: 26.7
TF below 2^84 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-27Oliver Kruse348C486DE9E0ABD21013
Verified (Factored)2017-10-13Oliver Kruse348C486DE9E0ABD2152186213
Verified (Factored)2017-12-16ATH348C486DE9E0ABD2138879713
Verified (Factored)2020-04-19Oliver Kruse17B215670928BAA418361253
Verified2022-12-19LordJulius17B215670928BAA4211658453
P-1 factors
DateFactorB1B2
2022-12-198285724180566960822501403241690317500005543237700
History
DateUserTypeResult
2022-12-20PerigCERT
PRP Certification
Proof certified good
2022-12-19LordJuliusC-PRP
M610457/90715237147939073/82857241805669608225014032416903 : 17B215670928BAA4
PRP proof power = 6
PRP: Verified
Proof certified good
2022-12-19USAFSSF-PM1
Factor: 82857241805669608225014032416903 / (P-1, B1=1750000, B2=5543237700)
2020-04-19Oliver KruseC-PRP
M610457/90715237147939073 : 17B215670928BAA4
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-12-16ATHC-PRP
M610457/90715237147939073 : 348C486DE9E0ABD2
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M610457/90715237147939073 : 348C486DE9E0ABD2
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-27Oliver KruseC-PRP
M610457/90715237147939073 : 348C486DE9E0ABD2
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=1000000, B2=30000000, E=12