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:










MnStatusDetails
58369Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
190235898980018331754.1old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
403000000605 / 4588
Estimated T-Level: 35.7
TF below 2^113 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse1E008C0724699A6B1013
Verified2017-10-13kkmrkkblmbrbk1E008C0724699A6B13886913
Verified2020-04-17Oliver Kruse435A88D1C3F55BF212154553
Verified2024-02-03Wentao Huang435A88D1C3F55BF2191153
History
DateUserTypeResult
2025-07-25masserNF-PM1
B1=5200000000, B2=774760692625920
2024-02-03Wentao HuangC-PRP
M58369/19023589898001833 : 435A88D1C3F55BF2
PRP: Verified
PRP without proof (small exponent)
2023-05-03JacobZNF-PM1
B1=590000000, B2=294534654293880
2023-04-17carlos56F-ECM
Factor: 19023589898001833 / (ECM curve 1, B1=1000000, B2=702000000, Sigma=4440694769546081)
2021-05-05ATHNF-PP1
Start=2/7, B1=15000000, B2=1500000000
2020-04-17Oliver KruseC-PRP
M58369/19023589898001833 : 435A88D1C3F55BF2
PRP: Verified
PRP without proof (small exponent)
2017-10-13kkmrkkblmbrbkC-PRP
M58369/19023589898001833 : 1E008C0724699A6B
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M58369/19023589898001833 : 1E008C0724699A6B
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M58369/19023589898001833 : 1E008C0724699A6B
PRP without proof (not generated)
2016-10-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12