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:





MnDetails
136429
Composite, with 5 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
325189872392811444.9old
1062742015431831546.62008-07-26 12:49:04
151755929151841611753.82008-08-26 20:12:23
4006795125778129871177587912788.42017-12-08 13:25:38
845054080247835710256942341216954334112.72026-01-02 09:06:03
P-1 factors
DateFactorsB1B2
2026-01-028450540802478357102569423412169543
1000000002008794267480
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000196 / 1566
Estimated T-Level: 30.6 ⓘ
TF below 2^97 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2017-09-22Oliver Kruse6B5B51F8DC749F343013
Factored
No proof (small exponent)
2017-09-22Oliver Kruse6B5B51F8DC749F343013
Factored
No proof (small exponent)
2017-11-06kkmrkkblmbrbk6B5B51F8DC749F343842813
Factored
No proof (small exponent)
2017-12-09Yaroslav BerezhkoAE18491EC3075EC741186153
Factored
No proof (small exponent)
2017-12-09Yaroslav BerezhkoAE18491EC3075EC746711153
Factored
No proof (small exponent)
2017-12-09ATH057FC6846E47A7F841700315
Factored
No proof (small exponent)
2017-12-10ATH057FC6846E47A7F8412011615
Factored
No proof (small exponent)
2017-12-10ATHAE18491EC3075EC749399853
Factored
No proof (small exponent)
2017-12-10Oliver KruseAE18491EC3075EC7412884253
Factored
No proof (small exponent)
2017-12-10Oliver Kruse057FC6846E47A7F8413547215
Verified
Certified Good
2026-01-02ViliamFAE18491EC3075EC755260053
History
DateUserTypeResult
2026-01-02KIMCERT
Proof certified good
2026-01-02ViliamFC-PRPM136429/32518987239281/106274201543183/15175592915184161/400679512577812987117758791/8450540802478357102569423412169543 : AE18491EC3075EC7
Proof Certified Good

Proof Power: 5

2026-01-02ViliamFF-PM1Factor: 8450540802478357102569423412169543 / B1=100000000, B2=2008794267480
2017-12-10Oliver KruseC-PRPERROR PARSING RESULT
2017-12-10Oliver KruseC-PRPM136429/32518987239281/106274201543183/15175592915184161/400679512577812987117758791 : AE18491EC3075EC7
2017-12-10ATHC-PRPM136429/32518987239281/106274201543183/15175592915184161/400679512577812987117758791 : AE18491EC3075EC7
2017-12-10ATHC-PRPERROR PARSING RESULT
2017-12-09ATHC-PRPERROR PARSING RESULT
2017-12-09Yaroslav BerezhkoC-PRPM136429/32518987239281/106274201543183/15175592915184161/400679512577812987117758791 : AE18491EC3075EC7
2017-12-09Yaroslav BerezhkoC-PRPM136429/32518987239281/106274201543183/15175592915184161/400679512577812987117758791 : AE18491EC3075EC7
2017-12-08TJAOIF-ECMFactor: 400679512577812987117758791
2017-11-06kkmrkkblmbrbkC-PRPM136429/32518987239281/106274201543183/15175592915184161 : 6B5B51F8DC749F34
2017-09-22Oliver KruseC-PRPM136429/32518987239281/106274201543183/15175592915184161 : 6B5B51F8DC749F34
2017-09-21Oliver KruseC-PRPM136429/32518987239281/106274201543183/15175592915184161 : 6B5B51F8DC749F34
2017-01-08kkmrkkblmbrbkNF-PM1B1=100000000, B2=2000000000, E=12
2008-08-26-anonymous-F-PM1Factor: 15175592915184161
2008-07-26J FeitsmaFFactor: 106274201543183