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
7703Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
2351842872644792751422655860333097.6old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000006608 / 9201
Estimated T-Level: 43.6
TF below 2^140 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseEF738F6DB19A597A1013
Verified2017-10-12kkmrkkblmbrbkEF738F6DB19A597A1560413
Verified2020-04-17Oliver Kruse6717548C20E04D231246953
Verified2024-02-03Wentao Huang6717548C20E04D231265353
History
DateUserTypeResult
2024-12-10yuriy5-1NF-PM1
B1=24000000000, B2=93848103835646160
2024-02-03Wentao HuangC-PRP
M7703/235184287264479275142265586033 : 6717548C20E04D23
PRP: Verified
PRP without proof (small exponent)
2021-07-08ViliamFNF-PM1
B1=1000000000, B2=201000000000
2020-04-17Oliver KruseC-PRP
M7703/235184287264479275142265586033 : 6717548C20E04D23
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M7703/235184287264479275142265586033 : EF738F6DB19A597A
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M7703/235184287264479275142265586033 : EF738F6DB19A597A
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M7703/235184287264479275142265586033 : EF738F6DB19A597A
PRP without proof (not generated)