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
1709711Factored
FactorDigitsBitsDate
129370507726010231753.5old
16368516630849479511960.52016-02-12 12:10:51
ECM
DigitsB1Curves
2550000280 / 280
30250000107 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-30alpertron83110530D30C6E172013
Verified2017-10-18Oliver Kruse83110530D30C6E1724364913
History
DateUserTypeResult
2021-07-17Dylan DelgadoNF-PM1
B1=3000000, B2=273000000
2017-10-18Oliver KruseC-PRP
M1709711/12937050772601023/1636851663084947951 : 83110530D30C6E17
PRP: Verified
PRP without proof (not generated)
2017-09-30alpertronC-PRP
M1709711/12937050772601023/1636851663084947951 : 83110530D30C6E17
PRP: Verified
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12
2016-02-12TJAOIF
Factor: 1636851663084947951 / TF: 60-61