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
63347Factored
FactorDigitsBitsDate
16328322731030.6old
180344104090774871754.02009-06-20 03:31:15
2131540247252223567041963067133097.42017-01-04 06:02:52
475906778657053036072300454052516623058103012146151.72022-11-09 16:22:22
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
403000000533 / 4588
Estimated T-Level: 35.6 ⓘ
TF below 2^113 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-21Oliver Kruse0F9596BB42FCB13A3013
Verified (Factored)2017-10-02kkmrkkblmbrbk0F9596BB42FCB13A3013
Verified (Factored)2017-12-07ATH0F9596BB42FCB13A35843713
Verified (Factored)2020-04-17Oliver KruseBF5113956826DB1E3374753
Verified2022-11-09George WoltmanBF5113956826DB1E41935953
P-1 factors
DateFactorB1B2
2022-11-094759067786570530360723004540525166230581030121100000000092348999993250
History
DateUserTypeResult
2022-11-09George WoltmanC-PRP
M63347/1632832273/18034410409077487/213154024725222356704196306713/4759067786570530360723004540525166230581030121 : BF5113956826DB1E
PRP: Verified
PRP without proof (small exponent)
2022-11-09George WoltmanF-PM1
Factor: 4759067786570530360723004540525166230581030121 / (P-1, B1=1000000000, B2=92348999993250)
2021-04-28ATHNF-PP1
Start=2/7, B1=15000000, B2=1500000000
2020-04-17Oliver KruseC-PRP
M63347/1632832273/18034410409077487/213154024725222356704196306713 : BF5113956826DB1E
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M63347/1632832273/18034410409077487/213154024725222356704196306713 : 0F9596BB42FCB13A
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M63347/1632832273/18034410409077487/213154024725222356704196306713 : 0F9596BB42FCB13A
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M63347/1632832273/18034410409077487/213154024725222356704196306713 : 0F9596BB42FCB13A
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M63347/1632832273/18034410409077487/213154024725222356704196306713 : 0F9596BB42FCB13A
PRP without proof (not generated)
2017-01-04kkmrkkblmbrbkF-ECM
Factor: 213154024725222356704196306713 / (ECM curve 242, B1=250000, B2=25000000)
2016-10-21kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2009-06-20Matthias WurtingerF-ECM
Factor: 18034410409077487