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
5639Factored
FactorDigitsBitsDate
11279513.5old
2447327721.2old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000005367 / 16550
Estimated T-Level: 46.6
TF below 2^150 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseB22BCF91A95680A12013
Verified2017-10-12kkmrkkblmbrbkB22BCF91A95680A12411013
Verified2020-04-17Oliver KruseF8D8DBD8AE2156752451353
Verified (Factored)2022-05-12Jorge CoveiroF8D8DBD8AE215675145853
Verified2024-02-03Wentao HuangF8D8DBD8AE2156752277353
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M5639/11279/2447327 : F8D8DBD8AE215675
PRP: Verified
PRP without proof (small exponent)
2023-07-15-Anonymous-NF-PM1
B1=44000000000, B2=181125525847266000
2022-05-12Jorge CoveiroC-PRP
M5639/11279 : F8D8DBD8AE215675
PRP: Verified
PRP without proof (small exponent)
2021-12-17Oliver KruseNF-PM1
B1=1000000000, B2=1002106985940060
2020-04-17Oliver KruseC-PRP
M5639/11279/2447327 : F8D8DBD8AE215675
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M5639/11279/2447327 : B22BCF91A95680A1
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M5639/11279/2447327 : B22BCF91A95680A1
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M5639/11279/2447327 : B22BCF91A95680A1
PRP without proof (not generated)