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
7393Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
65252392331032.6old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000002152 / 9201
Estimated T-Level: 41.2
TF below 2^132 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse3B1705ABBFDE4DAE1013
Verified2017-10-12kkmrkkblmbrbk3B1705ABBFDE4DAE1176213
Verified2020-04-17Oliver KruseFE6B81ACE18493FF1574453
Verified2024-02-03Wentao HuangFE6B81ACE18493FF1369553
P-1 factors
DateFactorB1B2
2022-01-236525239233100000000000100000000000
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M7393/6525239233 : FE6B81ACE18493FF
PRP: Verified
PRP without proof (small exponent)
2023-08-30-Anonymous-NF-PM1
B1=33000000000, B2=136591402877229300
2022-01-23onlinegameF-PM1
Factor: 6525239233 / (P-1, B1=100000000000)
2021-12-16Lisander ViaeneNF-PM1
B1=100000000
2020-04-17Oliver KruseC-PRP
M7393/6525239233 : FE6B81ACE18493FF
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M7393/6525239233 : 3B1705ABBFDE4DAE
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M7393/6525239233 : 3B1705ABBFDE4DAE
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M7393/6525239233 : 3B1705ABBFDE4DAE
PRP without proof (not generated)