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
253601Factored
FactorDigitsBitsDate
5755875886709991549.0old
3642550954570996283836039239731511592982341134.72022-04-23 14:23:08
ECM
DigitsB1Curves
2550000280 / 280
30250000444 / 640
Estimated T-Level: 28.5
TF below 2^90 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-22Oliver Kruse10B6FA3212068D9C1013
Verified (Factored)2017-10-12Oliver Kruse10B6FA3212068D9C125042913
Verified (Factored)2017-11-06kkmrkkblmbrbk10B6FA3212068D9C122255813
Verified (Factored)2020-04-17Oliver Kruse9B8514745F42E01417335853
Verified2022-04-24Oliver Kruse9B8514745F42E01423439353
P-1 factors
DateFactorB1B2
2022-04-23364255095457099628383603923973151159298233000000010120247026890
History
DateUserTypeResult
2022-04-24lugge_waCERT
PRP Certification
Proof certified good
2022-04-24Oliver KruseC-PRP
M253601/575587588670999/36425509545709962838360392397315115929823 : 9B8514745F42E014
PRP proof power = 5
PRP: Verified
Proof certified good
2022-04-23Oliver KruseF-PM1
Factor: 36425509545709962838360392397315115929823 / (P-1, B1=30000000, B2=10120247026890)
2021-08-28Oliver KruseNF-PM1
B1=30000000, B2=3000000000, E=24
2020-04-17Oliver KruseC-PRP
M253601/575587588670999 : 9B8514745F42E014
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M253601/575587588670999 : 10B6FA3212068D9C
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-12Oliver KruseC-PRP
M253601/575587588670999 : 10B6FA3212068D9C
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M253601/575587588670999 : 10B6FA3212068D9C
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M253601/575587588670999 : 10B6FA3212068D9C
PRP without proof (not generated)