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
1695899Factored
FactorDigitsBitsDate
19332938080893111650.8old
1150485752696550102012166.62018-03-03 16:36:19
1208578989852886309676092476.72023-01-13 09:41:00
13067470715082006055224712632890.12023-01-13 09:41:00
ECM
DigitsB1Curves
2550000280 / 280
30250000107 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-30alpertron08F3ACFB84EA9BA81013
Verified (Factored)2017-10-18Oliver Kruse08F3ACFB84EA9BA8125166013
Verified (Factored)2018-03-08Oliver KruseD48F548E816B64F02163171053
Verified (Factored)2018-03-08kkmrkkblmbrbkD48F548E816B64F0214502453
Verified2023-01-13Naegi MakotoD48F548E816B64F0454106353
History
DateUserTypeResult
2023-01-13curtiscCERT
PRP Certification
Proof certified good
2023-01-13Naegi MakotoC-PRP
M1695899/1933293808089311/115048575269655010201/120857898985288630967609/1306747071508200605522471263 : D48F548E816B64F0
PRP proof power = 6
PRP: Verified
Proof certified good
2023-01-13TJAOIF-ECM
Factor: 1306747071508200605522471263 / (ECM curve 12, B1=250000, B2=40000000, Sigma=7912943526126092)
2023-01-13TJAOIF-ECM
Factor: 120857898985288630967609 / (ECM curve 11, B1=250000, B2=40000000, Sigma=1147644275132549)
2018-03-08kkmrkkblmbrbkC-PRP
M1695899/1933293808089311/115048575269655010201 : D48F548E816B64F0
PRP: Verified (Factored)
PRP without proof (not generated)
2018-03-08Oliver KruseC-PRP
M1695899/1933293808089311/115048575269655010201 : D48F548E816B64F0
PRP: Verified (Factored)
PRP without proof (not generated)
2018-03-03ATHF-ECM
Factor: 115048575269655010201 / (ECM curve 3, B1=50000, B2=5000000)
2017-10-18Oliver KruseC-PRP
M1695899/1933293808089311 : 08F3ACFB84EA9BA8
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-30alpertronC-PRP
M1695899/1933293808089311 : 08F3ACFB84EA9BA8
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12