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

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Exponent Range:










MnStatusDetails
1451Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
2903411.5old
174121617.4old
696481619.4old
170091429108137511753.9old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
6026000000020913 / 105362
Estimated T-Level: 56.0
TF below 2^181 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse89EA56F359B5226E4013
Verified2017-10-12kkmrkkblmbrbk89EA56F359B5226E4103513
Verified2020-04-17Oliver KruseFAA6B08997FF2892447753
Verified2020-08-12_p95holder_FAA6B08997FF28924116153
Verified (Factored)2022-05-12Jorge CoveiroFAA6B08997FF28921122153
History
DateUserTypeResult
2022-05-12Jorge CoveiroC-PRP
M1451/2903 : FAA6B08997FF2892
PRP: Verified (Factored)
PRP without proof (small exponent)
2021-07-20ViliamFNF-PP1
Start=2/7, B1=1000000000, B2=221000000000
2021-03-27nordiNF-PM1
B1=1000000000000, B2=2232843418649129478
2020-08-12_p95holder_C-PRP
M1451/2903/174121/696481/17009142910813751 : FAA6B08997FF2892
PRP: Verified (Factored)
PRP without proof (small exponent)
2020-04-17Oliver KruseC-PRP
M1451/2903/174121/696481/17009142910813751 : FAA6B08997FF2892
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M1451/2903/174121/696481/17009142910813751 : 89EA56F359B5226E
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M1451/2903/174121/696481/17009142910813751 : 89EA56F359B5226E
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M1451/2903/174121/696481/17009142910813751 : 89EA56F359B5226E
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=1000000000, B2=100000000000, E=12