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
77659Factored
FactorDigitsBitsDate
11959487823.5old
134878835499850942111932373.52011-02-23 03:33:16
20333582622901493303238732580.82011-05-11 06:34:43
466152649270224273963318472685.32017-02-11 14:29:20
71818663041642092441113120295048174062323376945149.02017-03-14 07:44:12
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000894 / 1566
Estimated T-Level: 32.9 ⓘ
TF below 2^104 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-21Oliver Kruse5062117DCA43D1305013
Verified2017-09-21Oliver Kruse5062117DCA43D1305013
Verified2017-11-06kkmrkkblmbrbk5062117DCA43D1305237513
Verified2020-04-17Oliver KruseECFD9632FF78BACC54387353
Verified2024-02-03Wentao HuangECFD9632FF78BACC52606153
P-1 factors
DateFactorB1B2
2017-03-1471818663041642092441113120295048174062323376910000000012720901946406
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M77659/11959487/13487883549985094211193/2033358262290149330323873/46615264927022427396331847/718186630416420924411131202950481740623233769 : ECFD9632FF78BACC
PRP: Verified
PRP without proof (small exponent)
2024-01-26masserNF-PP1
Start=150/67, B1=25000000, B2=1475000000
2024-01-26masserNF-PP1
Start=6/5, B1=25000000, B2=1475000000
2024-01-23masserNF-PP1
Start=2/7, B1=25000000, B2=1475000000
2022-03-10George WoltmanNF-PM1
B1=1600000000, B2=32068511144670
2020-04-17Oliver KruseC-PRP
M77659/11959487/13487883549985094211193/2033358262290149330323873/46615264927022427396331847/718186630416420924411131202950481740623233769 : ECFD9632FF78BACC
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M77659/11959487/13487883549985094211193/2033358262290149330323873/46615264927022427396331847/718186630416420924411131202950481740623233769 : 5062117DCA43D130
PRP: Verified
PRP without proof (small exponent)
2017-09-21Oliver KruseC-PRP
M77659/11959487/13487883549985094211193/2033358262290149330323873/46615264927022427396331847/718186630416420924411131202950481740623233769 : 5062117DCA43D130
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M77659/11959487/13487883549985094211193/2033358262290149330323873/46615264927022427396331847/718186630416420924411131202950481740623233769 : 5062117DCA43D130
PRP without proof (not generated)
2017-03-14kkmrkkblmbrbkF-PM1
Factor: 718186630416420924411131202950481740623233769 / (P-1, B1=100000000, B2=12720901946406)
2017-02-11kkmrkkblmbrbkF-ECM
Factor: 46615264927022427396331847 / (ECM curve 122, B1=250000, B2=25000000)
2016-12-16kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2011-05-11James HintzF-ECM
Factor: 2033358262290149330323873
2011-02-23James HintzF-ECM
Factor: 13487883549985094211193