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

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MnStatusDetails
353473Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
542934529929.0old
15100366571030.52008-07-21 09:17:34
15685706925684311650.52014-06-02 12:19:26
26455417133559671651.22014-06-20 11:42:17
ECM
DigitsB1Curves
2550000280 / 280
30250000527 / 640
Estimated T-Level: 29.1
TF below 2^92 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-23Oliver KruseEBD5A665B343657C4013
Verified2017-10-13Oliver KruseEBD5A665B343657C433235313
Verified2017-12-15ATHEBD5A665B343657C430552713
Verified2020-04-18Oliver Kruse3B6CA488EA31C155426113653
Verified2024-09-17kkmrkkblmbrbk3B6CA488EA31C155431417053
History
DateUserTypeResult
2024-10-07yuriy_5-1NF-PM1
B1=12000002, B2=2124117455460
2024-09-17sixpack768CERT
PRP Certification
Proof certified good
2024-09-17kkmrkkblmbrbkC-PRP
M353473/542934529/1510036657/1568570692568431/2645541713355967 : 3B6CA488EA31C155
PRP proof power = 5
PRP: Verified
Proof certified good
2023-12-03USAFSSNF-PM1
B1=1530000, B2=5367308100
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-18Oliver KruseC-PRP
M353473/542934529/1510036657/1568570692568431/2645541713355967 : 3B6CA488EA31C155
PRP: Verified
PRP without proof (small exponent)
2017-12-15ATHC-PRP
M353473/542934529/1510036657/1568570692568431/2645541713355967 : EBD5A665B343657C
PRP: Verified
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M353473/542934529/1510036657/1568570692568431/2645541713355967 : EBD5A665B343657C
PRP: Verified
PRP without proof (small exponent)
2017-09-23Oliver KruseC-PRP
M353473/known_factors : EBD5A665B343657C
PRP without proof (not generated)
2014-06-20TJAOIF
Factor: 2645541713355967
2014-06-02TJAOIF
Factor: 1568570692568431
2008-07-21J FeitsmaF
Factor: 1510036657