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
147583Factored
FactorDigitsBitsDate
3320851172532170845432168.22014-07-28 13:35:47
18733650871316034299857132580.6old
97979878599314915361312141701423863936119.62017-04-19 00:02:13
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000184 / 1566
Estimated T-Level: 30.6
TF below 2^97 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver Kruse46D323A9AA851D833013
Verified2017-09-22Oliver Kruse46D323A9AA851D833013
Verified2017-11-06kkmrkkblmbrbk46D323A9AA851D8337171913
Verified2020-04-17Oliver Kruse5B316250F139E86334478053
Verified2024-02-03Wentao Huang5B316250F139E86335781253
P-1 factors
DateFactorB1B2
2017-04-199797987859931491536131214170142386391000000000
History
DateUserTypeResult
2024-02-03Naegi MakotoCERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M147583/1873365087131603429985713/332085117253217084543/979798785993149153613121417014238639 : 5B316250F139E863
PRP proof power = 5
PRP: Verified
Proof certified good
2020-04-17Oliver KruseC-PRP
M147583/332085117253217084543/1873365087131603429985713/979798785993149153613121417014238639 : 5B316250F139E863
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M147583/332085117253217084543/1873365087131603429985713/979798785993149153613121417014238639 : 46D323A9AA851D83
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M147583/1873365087131603429985713/332085117253217084543/979798785993149153613121417014238639 : 46D323A9AA851D83
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M147583/1873365087131603429985713/332085117253217084543/979798785993149153613121417014238639 : 46D323A9AA851D83
PRP without proof (not generated)
2017-04-19kkmrkkblmbrbkF-PM1
Factor: 979798785993149153613121417014238639 / (P-1, B1=100000000)
2014-07-28TJAOIF-ECM
Factor: 332085117253217084543