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
3361
Composite, with 5 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
557927619.1old
5998798148884190567720705878965732105.6old
3184614061577357957285011916780393390596941134.52019-09-19 15:58:57
17072817186785396472443536868115114137853091816948156.92019-09-21 16:11:26
1324318887810748717658992338593844954452602657017750163.22019-09-20 00:53:32
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000015050 / 40830
Estimated T-Level: 51.8 ⓘ
TF below 2^167 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 Kruse7629D6A30C2A1BBC2013
Factored
No proof (small exponent)
2017-10-12kkmrkkblmbrbk7629D6A30C2A1BBC2225413
Factored
No proof (small exponent)
2019-09-20mnd9F69B8763B5E1C92F446753
Factored
No proof (small exponent)
2019-09-20mnd9F69B8763B5E1C92F3157553
Factored
No proof (small exponent)
2019-09-20mnd9F69B8763B5E1C92F43253
Factored
No proof (small exponent)
2019-09-20ANONYMOUSF69B8763B5E1C92F4274753
Factored
No proof (small exponent)
2019-09-21marssystemsF69B8763B5E1C92F4300953
Verified
No proof (small exponent)
2019-09-22Fan MingF69B8763B5E1C92F5243653
Verified
No proof (small exponent)
2019-09-23fre_gamesF69B8763B5E1C92F5133653
Verified
No proof (small exponent)
2020-04-17Oliver KruseF69B8763B5E1C92F590153
History
DateUserTypeResult
2025-04-27masserNF-PP1Start=124/71, B1=3100000000, B2=3096900000000
2022-04-23mikrNF-PM1B1=80000000000, B2=268799861365815780
2021-07-10ViliamFNF-PM1B1=1000000000, B2=193000000000
2020-04-17Oliver KruseC-PRPM3361/557927/59987981488841905677207058789657/31846140615773579572850119167803933905969/170728171867853964724435368681151141378530918169/13243188878107487176589923385938449544526026570177 : F69B8763B5E1C92F
2019-09-23fre_gamesC-PRPM3361/557927/59987981488841905677207058789657/31846140615773579572850119167803933905969/13243188878107487176589923385938449544526026570177/170728171867853964724435368681151141378530918169 : F69B8763B5E1C92F
2019-09-22Fan MingC-PRPM3361/557927/59987981488841905677207058789657/31846140615773579572850119167803933905969/170728171867853964724435368681151141378530918169/13243188878107487176589923385938449544526026570177 : F69B8763B5E1C92F
2019-09-21Ryan PropperF-ECMFactor: 170728171867853964724435368681151141378530918169
2019-09-21marssystemsC-PRPM3361/557927/59987981488841905677207058789657/31846140615773579572850119167803933905969/13243188878107487176589923385938449544526026570177 : F69B8763B5E1C92F
2019-09-20ANONYMOUSC-PRPM3361/557927/59987981488841905677207058789657/31846140615773579572850119167803933905969/13243188878107487176589923385938449544526026570177 : F69B8763B5E1C92F
2019-09-20mnd9C-PRPM3361/557927/59987981488841905677207058789657/31846140615773579572850119167803933905969/13243188878107487176589923385938449544526026570177 : F69B8763B5E1C92F
2019-09-20mnd9C-PRPM3361/557927/59987981488841905677207058789657/31846140615773579572850119167803933905969 : F69B8763B5E1C92F
2019-09-20mnd9C-PRPM3361/557927/59987981488841905677207058789657/31846140615773579572850119167803933905969/13243188878107487176589923385938449544526026570177 : F69B8763B5E1C92F
2019-09-20Ryan PropperF-ECMFactor: 13243188878107487176589923385938449544526026570177
2019-09-19Ryan PropperF-ECMFactor: 31846140615773579572850119167803933905969
2017-10-12kkmrkkblmbrbkC-PRPM3361/557927/59987981488841905677207058789657 : 7629D6A30C2A1BBC
2017-09-21Oliver KruseC-PRPM3361/557927/59987981488841905677207058789657 : 7629D6A30C2A1BBC
2017-09-21Oliver KruseC-PRPM3361/557927/59987981488841905677207058789657 : 7629D6A30C2A1BBC