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

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Exponent Range:





MnDetails
5417
Composite, with 5 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
433361618.7old
3196031721.6old
200515673927.6old
4440796877753733378066972478.6old
7956784954081150267493113115811182399856741135.92020-10-06 19:27:47
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000011324 / 16550
Estimated T-Level: 48.4 ⓘ
TF below 2^156 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2017-09-21Oliver KruseE3DBF0C4F1DDAD474013
Factored
No proof (small exponent)
2017-10-02kkmrkkblmbrbkE3DBF0C4F1DDAD474013
Factored
No proof (small exponent)
2017-12-07ATHE3DBF0C4F1DDAD474398113
Factored
No proof (small exponent)
2020-04-17Oliver Kruse1AB21F68EA7A3289412953
Verified
No proof (small exponent)
2020-10-06megavink1AB21F68EA7A32895501653
History
DateUserTypeResult
2025-05-04masserNF-PP1Start=119/37, B1=2100000000, B2=2097900000000
2023-07-08-anonymous-NF-PM1B1=46000000000, B2=193133848036379250
2022-01-24Ethan O'ConnorNF-PM1B1=1300000000
2021-08-27Seth_TrNF-PM1B1=400000000
2021-08-27Seth_TrNF-PM1B1=100000000
2020-10-06megavinkC-PRPM5417/433361/3196031/200515673/444079687775373337806697/79567849540811502674931131158111823998567 : 1AB21F68EA7A3289
2020-10-06Ryan PropperF-ECMFactor: 79567849540811502674931131158111823998567
2020-04-17Oliver KruseC-PRPM5417/433361/3196031/200515673/444079687775373337806697 : 1AB21F68EA7A3289
2017-12-07ATHC-PRPM5417/433361/3196031/200515673/444079687775373337806697 : E3DBF0C4F1DDAD47
2017-10-02kkmrkkblmbrbkC-PRPM5417/433361/3196031/200515673/444079687775373337806697 : E3DBF0C4F1DDAD47
2017-09-21Oliver KruseC-PRPM5417/known_factors : E3DBF0C4F1DDAD47