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

PrimeNet Exponent Status

Exponent Range:





MnDetails
5441
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
3656353721.8old
21342241675104979413132270.9old
1339789285164091004715677959573247005159941133.32020-10-05 20:55:49
46442008578925496616877214119780546878839942138.4old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000011582 / 16550
Estimated T-Level: 48.5 ⓘ
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 Kruse0366A10FA8DEB3F83013
Factored
No proof (small exponent)
2017-10-02kkmrkkblmbrbk0366A10FA8DEB3F83013
Factored
No proof (small exponent)
2017-12-07ATH0366A10FA8DEB3F83402713
Factored
No proof (small exponent)
2020-04-17Oliver Kruse08B289DFCB6617613280853
Verified
No proof (small exponent)
2020-10-06mnd908B289DFCB6617614259753
Verified
No proof (small exponent)
2020-10-08arnaud08B289DFCB6617614376953
History
DateUserTypeResult
2025-05-06masserNF-PP1Start=168/61, B1=2100000000, B2=2097900000000
2023-07-09-anonymous-NF-PM1B1=46000000000, B2=193133522175293700
2021-12-16ANONYMOUSNF-PM1B1=100000000
2021-12-16Oliver KruseNF-PM1B1=1000000000, B2=1002849399191640
2020-10-08arnaudC-PRPM5441/3656353/2134224167510497941313/464420085789254966168772141197805468788399/13397892851640910047156779595732470051599 : 08B289DFCB661761
2020-10-06mnd9C-PRPM5441/3656353/2134224167510497941313/13397892851640910047156779595732470051599/464420085789254966168772141197805468788399 : 08B289DFCB661761
2020-10-05Ryan PropperF-ECMFactor: 13397892851640910047156779595732470051599
2020-04-17Oliver KruseC-PRPM5441/3656353/2134224167510497941313/464420085789254966168772141197805468788399 : 08B289DFCB661761
2017-12-07ATHC-PRPM5441/3656353/2134224167510497941313/464420085789254966168772141197805468788399 : 0366A10FA8DEB3F8
2017-10-02kkmrkkblmbrbkC-PRPM5441/3656353/2134224167510497941313/464420085789254966168772141197805468788399 : 0366A10FA8DEB3F8
2017-09-21Oliver KruseC-PRPM5441/known_factors : 0366A10FA8DEB3F8