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
1943077Factored
FactorDigitsBitsDate
244827703927.9old
928616396387131211081592376.32021-09-25 01:47:53
228627668895006928151991413671931100.92021-08-21 14:14:40
ECM
DigitsB1Curves
2550000280 / 280
3025000076 / 640
Estimated T-Level: 25.6
TF below 2^80 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-05Oliver KruseC04D03A2C806D7281013
Verified (Factored)2017-11-11kkmrkkblmbrbkC04D03A2C806D728193611313
Verified (Factored)2021-08-22H MichaelsonFB46BFDBB1F55503248739053
Verified (Factored)2021-08-23_p95holder_FB46BFDBB1F55503252630253
Verified2021-09-26_p95holder_FB46BFDBB1F555033129429153
History
DateUserTypeResult
2021-09-26_p95holder_C-PRP
M1943077/244827703/2286276688950069281519914136719/92861639638713121108159 : FB46BFDBB1F55503
PRP: Verified
PRP without proof (not generated)
2021-09-25_p95holder_F-ECM
Factor: 92861639638713121108159 / (ECM curve 3, B1=50000, B2=5000000)
2021-08-23_p95holder_C-PRP
M1943077/244827703/2286276688950069281519914136719 : FB46BFDBB1F55503
PRP: Verified
PRP without proof (not generated)
2021-08-22tottenhoffCERT
PRP Certification
Proof certified good
2021-08-22H MichaelsonC-PRP
M1943077/244827703/2286276688950069281519914136719 : FB46BFDBB1F55503
PRP proof power = 7
PRP: Verified (Factored)
Proof certified good
2021-08-21_p95holder_F-ECM
Factor: 2286276688950069281519914136719 / (ECM curve 3, B1=50000, B2=5000000)
2017-11-11kkmrkkblmbrbkC-PRP
M1943077/244827703 : C04D03A2C806D728
PRP: Verified
PRP without proof (not generated)
2017-10-05Oliver KruseC-PRP
M1943077/244827703 : C04D03A2C806D728
PRP: Verified
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12