Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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MnStatusDetails
9103Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
24544054791031.2old
1505882766434695191857.1old
49016674961600897485745385280480552136118.6old
991316892609583910461258331795252328002039842346152.82024-06-04 21:50:13
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000006133 / 16550
Estimated T-Level: 46.9
TF below 2^151 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-21Oliver KruseB2427FF6EEFCA9F23013
Verified (Factored)2017-10-02kkmrkkblmbrbkB2427FF6EEFCA9F23013
Verified (Factored)2017-12-07ATHB2427FF6EEFCA9F23318413
Verified (Factored)2020-04-17Oliver Kruse639EA191282F2FFE359353
Verified2024-06-04nordi639EA191282F2FFE4295753
Verified2024-06-04nordi639EA191282F2FFE4375053
History
DateUserTypeResult
2024-06-04nordiC-PRP
M9103/2454405479/150588276643469519/490166749616008974857453852804805521/9913168926095839104612583317952523280020398423 : 639EA191282F2FFE
PRP: Verified
PRP without proof (small exponent)
2024-06-04nordiC-PRP
M9103/2454405479/150588276643469519/490166749616008974857453852804805521/9913168926095839104612583317952523280020398423 : 639EA191282F2FFE
PRP: Verified
PRP without proof (small exponent)
2024-06-04nordiF-ECM
Factor: 9913168926095839104612583317952523280020398423 / (ECM curve 45, B1=11000000, B2=124155521490, Edwards Sigma=4876621251715935)
2023-07-16JacobZNF-PM1
B1=64000000000, B2=263527252205367150
2021-12-16Lisander ViaeneNF-PM1
B1=100000000
2020-04-17Oliver KruseC-PRP
M9103/2454405479/150588276643469519/490166749616008974857453852804805521 : 639EA191282F2FFE
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M9103/2454405479/150588276643469519/490166749616008974857453852804805521 : B2427FF6EEFCA9F2
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M9103/2454405479/150588276643469519/490166749616008974857453852804805521 : B2427FF6EEFCA9F2
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M9103/known_factors : B2427FF6EEFCA9F2
PRP without proof (not generated)