Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:





MnDetails
2535283
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
137580934919511443.6old
222740498647391211754.32014-11-15 12:42:50
571396254407203359338872375.62018-11-27 17:26:03
1201533914189230190429548298813096.62018-11-27 17:26:03
P-1 factors
DateFactorsB1B2
2018-11-2757139625440720335933887
120153391418923019042954829881
200000060000000
ECM
DigitsB1Curves
2550000237 / 280
Estimated T-Level: 24.2 ⓘ
TF below 2^75 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
PRP without proof (not generated)
2017-10-14Oliver Kruse32533C1CF557E8872233832053
Factored
PRP without proof (not generated)
2017-12-01kkmrkkblmbrbk32533C1CF557E887222467253
Verified
PRP without proof (not generated)
2018-11-29Oliver Kruse32533C1CF557E887432542553
Verified
PRP without proof (not generated)
2018-12-24M890938732533C1CF557E8874183232853
History
DateUserTypeResult
2018-12-24M8909387C-PRPM2535283/13758093491951/22274049864739121/57139625440720335933887/120153391418923019042954829881 : 32533C1CF557E887
2018-11-29Oliver KruseC-PRPM2535283/13758093491951/22274049864739121/57139625440720335933887/120153391418923019042954829881 : 32533C1CF557E887
2018-11-27alpertronF-PM1Factor: 6865519781109522241725866415205328124990287348077447 / B1=2000000, B2=60000000
2017-12-01kkmrkkblmbrbkC-PRPM2535283/13758093491951/22274049864739121 : 32533C1CF557E887
2017-10-14Oliver KruseC-PRPM2535283/13758093491951/22274049864739121 : 32533C1CF557E887
2014-11-15TJAOIFFactor: 22274049864739121