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

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MnStatusDetails
176303Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
352607618.4old
6082505159562684034070803432789.02018-11-28 06:33:02
ECM
DigitsB1Curves
2550000280 / 280
30250000624 / 640
Estimated T-Level: 29.9
TF below 2^94 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-22Oliver KruseEBD8DC46FBDE59CD1013
Verified (Factored)2017-09-22Oliver KruseEBD8DC46FBDE59CD1013
Verified (Factored)2017-11-06kkmrkkblmbrbkEBD8DC46FBDE59CD1466113
Verified2018-11-29ANONYMOUS7683B11BA4777A2528178653
Verified2018-11-30Oliver Kruse7683B11BA4777A25210153253
Verified (Factored)2022-05-12Jorge Coveiro7683B11BA4777A2518076053
Verified2024-12-30kkmrkkblmbrbk7683B11BA4777A252569753
History
DateUserTypeResult
2024-12-30ResolverCERT
PRP Certification
Proof certified good
2024-12-30kkmrkkblmbrbkC-PRP
M176303/352607/608250515956268403407080343 : 7683B11BA4777A25
PRP proof power = 5
PRP: Verified
Proof certified good
2022-05-12Jorge CoveiroC-PRP
M176303/352607 : 7683B11BA4777A25
PRP proof power = 5
PRP: Verified (Factored)
PRP proof never uploaded
2018-11-30Oliver KruseC-PRP
M176303/352607/608250515956268403407080343 : 7683B11BA4777A25
PRP: Verified
PRP without proof (small exponent)
2018-11-29ANONYMOUSC-PRP
M176303/352607/608250515956268403407080343 : 7683B11BA4777A25
PRP: Verified
PRP without proof (small exponent)
2018-11-28Niels_Mache_NextcloudF-ECM
Factor: 608250515956268403407080343 / (ECM curve 2, B1=250000, B2=25000000)
2017-11-06kkmrkkblmbrbkC-PRP
M176303/352607 : EBD8DC46FBDE59CD
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M176303/352607 : EBD8DC46FBDE59CD
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M176303/352607 : EBD8DC46FBDE59CD
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M176303/352607 : EBD8DC46FBDE59CD
PRP without proof (not generated)
2017-05-03kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12