Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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MnStatusDetails
2734253Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
18767912592011340.8old
1329087149221250800972166.82020-10-27 10:53:10
928195407286592895537832376.32025-03-06 07:11:40
176413854798797155145747772683.92024-09-05 05:14:54
ECM
DigitsB1Curves
255000072 / 280
Estimated T-Level: 21.3
TF below 2^66 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-20Oliver Kruse1A9C9494EB9BF8421180329753
Verified (Factored)2017-12-05kkmrkkblmbrbk1A9C9494EB9BF842174547253
Verified (Factored)2020-10-27Oliver Kruse1A9C9494EB9BF8422214596553
Verified (Factored)2024-09-08Naegi Makoto1A9C9494EB9BF842316738353
Verified2025-03-06feather1A9C9494EB9BF8424223926653
History
DateUserTypeResult
2025-03-06RainchillCERT
PRP Certification
Proof certified good
2025-03-06featherC-PRP
M2734253/1876791259201/132908714922125080097/17641385479879715514574777/92819540728659289553783 : 1A9C9494EB9BF842
PRP proof power = 7
PRP: Verified
Proof certified good
2025-03-06featherF-ECM
Factor: 92819540728659289553783 / (ECM curve 45, B1=50000, B2=4988550, Edwards Sigma=5102464122912413)
2024-09-08curtiscCERT
PRP Certification
Proof certified good
2024-09-08Naegi MakotoC-PRP
M2734253/1876791259201/132908714922125080097/17641385479879715514574777 : 1A9C9494EB9BF842
PRP proof power = 7
PRP: Verified (Factored)
Proof certified good
2024-09-05debrouxlF-ECM
Factor: 17641385479879715514574777 / (ECM curve 19, B1=50000, B2=7150000, Sigma=2127971987556868)
2022-11-19USAFSSNF-PM1
B1=255000, B2=191586780
2020-10-28M. R. MayerCERT
PRP Certification
Proof certified good
2020-10-27Oliver KruseC-PRP
M2734253/1876791259201/132908714922125080097 : 1A9C9494EB9BF842
PRP proof power = 7
PRP: Verified (Factored)
Proof certified good
2020-10-27TJAOIF
Factor: 132908714922125080097 / TF: 66-67
2017-12-05kkmrkkblmbrbkC-PRP
M2734253/1876791259201 : 1A9C9494EB9BF842
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-20Oliver KruseC-PRP
M2734253/1876791259201 : 1A9C9494EB9BF842
PRP: Verified (Factored)
PRP without proof (not generated)