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
2473Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
42689074391032.0old
6757763759183664882616732479.2old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000013050 / 40830
Estimated T-Level: 51.6
TF below 2^166 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse5732757AEAD944F82013
Verified2017-10-12kkmrkkblmbrbk5732757AEAD944F828413
Verified2020-04-17Oliver Kruse652E1DB8EC51114B246453
Verified2024-02-03Wentao Huang652E1DB8EC51114B2141153
History
DateUserTypeResult
2024-05-10masserNF-PM1
B1=100000000000, B2=107312544282933990
2024-02-03Wentao HuangC-PRP
M2473/4268907439/675776375918366488261673 : 652E1DB8EC51114B
PRP: Verified
PRP without proof (small exponent)
2020-04-17Oliver KruseC-PRP
M2473/4268907439/675776375918366488261673 : 652E1DB8EC51114B
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M2473/4268907439/675776375918366488261673 : 5732757AEAD944F8
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M2473/4268907439/675776375918366488261673 : 5732757AEAD944F8
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M2473/4268907439/675776375918366488261673 : 5732757AEAD944F8
PRP without proof (not generated)
2016-09-09kkmrkkblmbrbkNF-PM1
B1=500000000, B2=50000000000, E=12