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
524287
Composite, with 6 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
62914441825.9old
57469918734071342.4old
21067345511020732026339224712890.8old
8242715796028771145087141500393099.4old
6599700408701598995612372040716932105.72011-10-03 20:10:07
456588037692281076840668346784111410268940131.72023-12-06 20:54:16
P-1 factors
DateFactorsB1B2
2022-01-30No new factors discovered10000000001000000000
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000003550 / 16550
Estimated T-Level: 46.1 ⓘ
TF below 2^148 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2017-09-28Oliver Kruse8396498CCC4DFC565013
Factored
No proof (small exponent)
2017-10-13Oliver Kruse8396498CCC4DFC56531847713
Factored
No proof (small exponent)
2017-12-17ATH8396498CCC4DFC56520311413
Factored
No proof (small exponent)
2020-04-19Oliver KruseBEEC3B5D999E957D53599453
Verified
Certified Good
2023-12-06Anton TsvetkovBEEC3B5D999E957D642101653
History
DateUserTypeResult
2024-02-22Jorge CoveiroNF-PM1B1=10000000000, B2=28749570980130
2024-02-15Jorge CoveiroNF-PM1B1=1000000000, B2=7840790958000
2023-12-06StockmeyerCERT
Proof certified good
2023-12-06Anton TsvetkovC-PRPM524287/62914441/5746991873407/2106734551102073202633922471/824271579602877114508714150039/65997004087015989956123720407169/4565880376922810768406683467841114102689 : BEEC3B5D999E957D
Proof Certified Good

Proof Power: 6

2023-12-06philmooreF-ECMFactor: 4565880376922810768406683467841114102689
2022-05-12Jorge CoveiroF-PM1Factor: 361568781146944170487 / B1=1400000000
2022-01-30Jorge CoveiroF-PM1Factor: 361568781146944170487 / B1=1000000000
2021-07-23happy5214NF-PP1Start=2/7, B1=110000000, B2=8910000000
2021-07-22happy5214NF-PM1B1=220000000, B2=17160000000
2020-04-19Oliver KruseC-PRPM524287/62914441/5746991873407/2106734551102073202633922471/824271579602877114508714150039/65997004087015989956123720407169 : BEEC3B5D999E957D
2017-12-17ATHC-PRPM524287/62914441/5746991873407/2106734551102073202633922471/824271579602877114508714150039/65997004087015989956123720407169 : 8396498CCC4DFC56
2017-10-13Oliver KruseC-PRPM524287/62914441/5746991873407/2106734551102073202633922471/824271579602877114508714150039/65997004087015989956123720407169 : 8396498CCC4DFC56
2017-09-28Oliver KruseC-PRPM524287/62914441/5746991873407/2106734551102073202633922471/824271579602877114508714150039/65997004087015989956123720407169 : 8396498CCC4DFC56
2017-09-27Oliver KruseC-PRPM524287/62914441/5746991873407/2106734551102073202633922471/824271579602877114508714150039/65997004087015989956123720407169 : 8396498CCC4DFC56
2016-03-17alpertronNF-PM1B1=1500000, B2=50000000, E=12
2011-10-03philmooreF-ECMFactor: 65997004087015989956123720407169
2008-08-07AmperioC-LL883B2DF100D538__
2007-11-17-anonymous-FFactor: 361568781146944170487
2007-03-20-anonymous-C-LL883B2DF100D538__
2006-11-09-anonymous-C-LL883B2DF100D538__
2006-10-01-anonymous-C-LL883B2DF100D538__
2005-07-01-anonymous-C-LL883B2DF100D538__
2004-12-13-anonymous-C-LL883B2DF100D538__
2004-11-03-anonymous-C-LL883B2DF100D538__
2004-08-20-anonymous-C-LL883B2DF100D538__
2004-08-04-anonymous-C-LL883B2DF100D538__
2004-03-08-anonymous-C-LL883B2DF100D538__
2003-12-13-anonymous-C-LL883B2DF100D538__
2003-12-13-anonymous-C-LL883B2DF100D538__
2002-12-16-anonymous-C-LL883B2DF100D538__
2002-03-16-anonymous-C-LL883B2DF100D538__
2002-02-24-anonymous-C-LL883B2DF100D538__
2001-12-01-anonymous-C-LL883B2DF100D538__
2000-07-25-anonymous-C-LL883B2DF100D538__