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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
5023Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
6064905661469531549.1old
4221783891518710620439806388678161487338125.02016-09-27 01:35:58
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000014724 / 40830
Estimated T-Level: 51.8
TF below 2^167 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-20kkmrkkblmbrbk30F78A944B4745CA2013
Verified2017-09-26George Woltman30F78A944B4745CA2310713
Verified2017-10-02kkmrkkblmbrbk30F78A944B4745CA2013
Verified2020-04-17Oliver Kruse63E478D6DFBA0D402324453
Verified2024-02-03Wentao Huang63E478D6DFBA0D402137153
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M5023/606490566146953/42217838915187106204398063886781614873 : 63E478D6DFBA0D40
PRP: Verified
PRP without proof (small exponent)
2023-06-09-Anonymous-NF-PM1
B1=63000000000, B2=632233314515152350
2021-12-16Oliver KruseNF-PM1
B1=1000000000, B2=1002849399191640
2021-12-15Lisander ViaeneNF-PM1
B1=101101101, B2=242002648447560
2020-04-17Oliver KruseC-PRP
M5023/606490566146953/42217838915187106204398063886781614873 : 63E478D6DFBA0D40
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M5023/606490566146953/42217838915187106204398063886781614873 : 30F78A944B4745CA
PRP: Verified
PRP without proof (not generated)
2017-09-26George WoltmanC-PRP
M5023/606490566146953/42217838915187106204398063886781614873 : 30F78A944B4745CA
PRP: Verified
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbkC-PRP
M5023/606490566146953/42217838915187106204398063886781614873 : 30F78A944B4745CA
PRP: Verified
PRP without proof (not generated)
2016-09-27kkmrkkblmbrbkF-ECM
Factor: 42217838915187106204398063886781614873 / (ECM curve 2531, B1=3000000, B2=300000000)