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
307919Factored
FactorDigitsBitsDate
12932599823.6old
1082212652613459395727266350393096.42021-10-19 04:55:01
ECM
DigitsB1Curves
2550000280 / 280
30250000422 / 640
Estimated T-Level: 28.3 ⓘ
TF below 2^89 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-22Oliver KruseD79DA40B93FDAB041013
Verified (Factored)2017-10-12Oliver KruseD79DA40B93FDAB0411585313
Verified (Factored)2017-12-11ATHD79DA40B93FDAB04112784613
Verified (Factored)2020-04-18Oliver KruseB4FD474F67BB94FF121485453
Verified2021-10-19SRJ2877B4FD474F67BB94FF25800253
History
DateUserTypeResult
2024-02-24Denial140NF-PM1
B1=10000000, B2=206662045590
2024-02-22Denial140NF-PM1
B1=10000000
2023-03-18Denial140NF-PM1
B1=1000000, B2=65871826020
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2021-10-19Ben DeloCERT
PRP Certification
Proof certified good
2021-10-19SRJ2877C-PRP
M307919/12932599/108221265261345939572726635039 : B4FD474F67BB94FF
PRP proof power = 5
PRP: Verified
Proof certified good
2021-10-19nordiF-ECM
Factor: 108221265261345939572726635039 / (ECM curve 44, B1=250000, B2=36750000, Sigma=4599394509016039)
2020-04-18Oliver KruseC-PRP
M307919/12932599 : B4FD474F67BB94FF
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-12-11ATHC-PRP
M307919/12932599 : D79DA40B93FDAB04
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-12Oliver KruseC-PRP
M307919/12932599 : D79DA40B93FDAB04
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M307919/12932599 : D79DA40B93FDAB04
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M307919/12932599 : D79DA40B93FDAB04
PRP without proof (not generated)