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
1579Factored
FactorDigitsBitsDate
132272831927.0old
328409641371134.9old
124136926363799676172063.4old
194830488544154973170312591711049679182960891784724632609771347337323170230.22020-12-18 20:11:25
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
60260000000105362 / 105362
65800000000153374 / 194238
Estimated T-Level: 63.9 ⓘ
TF below 2^207 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-21Oliver Kruse1E029676AF1FD9D23013
Verified (Factored)2017-10-02kkmrkkblmbrbk1E029676AF1FD9D23013
Verified (Factored)2017-12-07ATH1E029676AF1FD9D2378013
Verified (Factored)2020-04-17Oliver Kruse7BF9FA113ED1D432331653
Verified (Factored)2020-08-12_p95holder_7BF9FA113ED1D432329653
Verified2020-12-18SRJ28777BF9FA113ED1D432421753
Verified2020-12-18Team_Inspector7BF9FA113ED1D432484153
History
DateUserTypeResult
2021-07-21ViliamFNF-PP1
Start=2/7, B1=1000000000, B2=221000000000
2021-03-27nordiNF-PM1
B1=1000000000000, B2=2232843418649129478
2020-12-18Team_InspectorC-PRP
M1579/132272831/32840964137/12413692636379967617/1948304885441549731703125917110496791829608917847246326097713473373231 : 7BF9FA113ED1D432
PRP: Verified
PRP without proof (small exponent)
2020-12-18SRJ2877C-PRP
M1579/132272831/32840964137/12413692636379967617/1948304885441549731703125917110496791829608917847246326097713473373231 : 7BF9FA113ED1D432
PRP: Verified
PRP without proof (small exponent)
2020-12-18Ryan PropperF-ECM
Factor: 1948304885441549731703125917110496791829608917847246326097713473373231 / (ECM curve 1, B1=260000000, B2=3178559884516, Sigma=8675056614100350895)
2020-08-12_p95holder_C-PRP
M1579/132272831/32840964137/12413692636379967617 : 7BF9FA113ED1D432
PRP: Verified
PRP without proof (small exponent)
2020-04-17Oliver KruseC-PRP
M1579/132272831/32840964137/12413692636379967617 : 7BF9FA113ED1D432
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M1579/132272831/32840964137/12413692636379967617 : 1E029676AF1FD9D2
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M1579/132272831/32840964137/12413692636379967617 : 1E029676AF1FD9D2
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M1579/known_factors : 1E029676AF1FD9D2
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=1000000000, B2=100000000000, E=12