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
202879Factored
FactorDigitsBitsDate
38952769825.2old
1774427620238662597535555592787.22018-02-09 12:19:09
32018498521324143395079809820784133108.02022-06-03 05:40:58
ECM
DigitsB1Curves
2550000280 / 280
30250000586 / 640
Estimated T-Level: 29.6 ⓘ
TF below 2^93 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-22Oliver KruseB018548813CEDF6E1013
Verified (Factored)2017-09-22Oliver KruseB018548813CEDF6E1013
Verified (Factored)2017-11-06kkmrkkblmbrbkB018548813CEDF6E14568813
Verified (Factored)2018-02-10ANONYMOUSD6ACB2EBB1D01C62217903353
Verified (Factored)2018-02-14noknoE5C0919519C18E1B2013
Verified (Factored)2018-02-15Oliver KruseD6ACB2EBB1D01C62217918253
Verified (Factored)2018-02-16kkmrkkblmbrbkE5C0919519C18E1B24874613
Verified2022-06-03SRJ2877D6ACB2EBB1D01C6237370353
Verified2023-08-03USAFSSD6ACB2EBB1D01C62318268953
History
DateUserTypeResult
2023-08-03tottenhoffCERT
PRP Certification
Proof certified good
2023-08-03USAFSSC-PRP
M202879/38952769/177442762023866259753555559/320184985213241433950798098207841 : D6ACB2EBB1D01C62
PRP proof power = 5
PRP: Verified
Proof certified good
2022-06-03LoicCERT
PRP Certification
Proof certified good
2022-06-03SRJ2877C-PRP
M202879/38952769/177442762023866259753555559/320184985213241433950798098207841 : D6ACB2EBB1D01C62
PRP proof power = 5
PRP: Verified
Proof certified good
2022-06-03debrouxlF-ECM
Factor: 320184985213241433950798098207841 / (ECM curve 3, B1=250000, B2=36000000, Sigma=7096071507324074)
2022-02-05Oliver KruseNF-PM1
B1=30000000, B2=10264076402580
2021-05-03Oliver KruseNF-PM1
B1=30000000, B2=3000000000
2018-02-16kkmrkkblmbrbkC-PRP
M202879/38952769/177442762023866259753555559 : E5C0919519C18E1B
PRP: Verified (Factored)
PRP without proof (small exponent)
2018-02-15Oliver KruseC-PRP
M202879/38952769/177442762023866259753555559 : D6ACB2EBB1D01C62
PRP: Verified (Factored)
PRP without proof (small exponent)
2018-02-14noknoC-PRP
M202879/38952769/177442762023866259753555559 : E5C0919519C18E1B
PRP: Verified (Factored)
PRP without proof (not generated)
2018-02-10ANONYMOUSC-PRP
M202879/38952769/177442762023866259753555559 : D6ACB2EBB1D01C62
PRP: Verified (Factored)
PRP without proof (small exponent)
2018-02-09TJAOIF-ECM
Factor: 177442762023866259753555559 / (ECM curve 29, B1=250000, B2=25000000)
2017-11-06kkmrkkblmbrbkC-PRP
M202879/38952769 : B018548813CEDF6E
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M202879/38952769 : B018548813CEDF6E
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M202879/38952769 : B018548813CEDF6E
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M202879/38952769 : B018548813CEDF6E
PRP without proof (not generated)