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

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MnStatusDetails
3613Composite, with 5 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
206916511927.6old
189179570411134.1old
47758180074971342.1old
249978759076646331754.5old
13929900316757142446565719166343430425269742136.72010-05-06 14:47:43
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000013915 / 40830
Estimated T-Level: 51.7
TF below 2^167 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseCB5682E4CA637E175013
Verified2017-10-02kkmrkkblmbrbkCB5682E4CA637E175013
Verified2017-12-07ATHCB5682E4CA637E175294713
Verified2020-04-17Oliver Kruse9D5BEDEE7A44DC66527953
Verified2024-02-03Wentao Huang9D5BEDEE7A44DC665140553
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M3613/206916511/18917957041/4775818007497/24997875907664633/139299003167571424465657191663434304252697 : 9D5BEDEE7A44DC66
PRP: Verified
PRP without proof (small exponent)
2022-06-27mikrNF-PM1
B1=100000000000, B2=262205522487458550
2021-08-27Seth_TrNF-PM1
B1=100000000
2020-04-17Oliver KruseC-PRP
M3613/206916511/18917957041/4775818007497/24997875907664633/139299003167571424465657191663434304252697 : 9D5BEDEE7A44DC66
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M3613/206916511/18917957041/4775818007497/24997875907664633/139299003167571424465657191663434304252697 : CB5682E4CA637E17
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M3613/206916511/18917957041/4775818007497/24997875907664633/139299003167571424465657191663434304252697 : CB5682E4CA637E17
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M3613/known_factors : CB5682E4CA637E17
PRP without proof (not generated)
2010-05-06James HintzF-ECM
Factor: 139299003167571424465657191663434304252697