Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
110543Factored
FactorDigitsBitsDate
221087617.8old
15918193823.92008-07-26 09:17:13
6073223576571239.12008-07-26 09:17:13
128546751509511443.52008-07-26 09:17:13
1729030645689371547.32008-12-03 13:50:33
2652709862221991547.92008-12-03 13:50:32
780357787361914367263672376.02014-09-12 12:16:08
7573401645191984281444234092789.32017-01-09 20:58:49
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000001417 / 4588
Estimated T-Level: 36.5
TF below 2^116 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseC87973562B9643D48013
Verified2017-10-09Chang Chia-TcheC87973562B9643D48013
Verified2017-10-13kkmrkkblmbrbkC87973562B9643D481250513
Verified2020-04-17Oliver KruseD7E6A9BDAB47B5E2810194553
Verified2022-03-11_p95holder_D7E6A9BDAB47B5E289742653
Verified2022-04-15LordJuliusD7E6A9BDAB47B5E2810407853
Verified (Factored)2022-05-12Jorge CoveiroD7E6A9BDAB47B5E219522453
History
DateUserTypeResult
2022-11-21LordJuliusNF
no factor from 2^66 to 2^67
2022-11-21LordJuliusNF
no factor from 2^65 to 2^66
2022-11-21LordJuliusNF
no factor from 2^64 to 2^65
2022-05-12Jorge CoveiroC-PRP
M110543/221087 : D7E6A9BDAB47B5E2
PRP proof power = 5
PRP: Verified (Factored)
PRP proof never uploaded
2022-04-15LordJuliusC-PRP
M110543/221087/15918193/607322357657/12854675150951/172903064568937/265270986222199/78035778736191436726367/757340164519198428144423409 : D7E6A9BDAB47B5E2
PRP proof power = 5
PRP: Verified
PRP proof never uploaded
2022-03-11Simon JosefssonCERT
PRP Certification
Proof certified good
2022-03-11_p95holder_C-PRP
M110543/221087/15918193/607322357657/12854675150951/172903064568937/265270986222199/78035778736191436726367/757340164519198428144423409 : D7E6A9BDAB47B5E2
PRP proof power = 5
PRP: Verified
Proof certified good
2022-03-11LordJuliusNF
no factor from 2^63 to 2^64
2022-03-11LordJuliusNF
no factor from 2^62 to 2^63
2022-03-11LordJuliusNF
no factor from 2^61 to 2^62
2022-03-11LordJuliusNF
no factor from 2^60 to 2^61
2022-03-11LordJuliusNF
no factor from 2^59 to 2^60
2022-03-11LordJuliusNF
no factor from 2^58 to 2^59
2022-03-11LordJuliusNF
no factor from 2^57 to 2^58
2021-04-26Seth_TrNF-PM1
B1=1000000000, B2=231000000000
2021-04-19Seth_TrNF-PM1
B1=400000000, B2=80400000000
2021-03-16Seth_TrNF-PM1
B1=200000000, B2=36200000000
2020-04-17Oliver KruseC-PRP
M110543/221087/15918193/607322357657/12854675150951/172903064568937/265270986222199/78035778736191436726367/757340164519198428144423409 : D7E6A9BDAB47B5E2
PRP: Verified
PRP without proof (small exponent)
2017-10-13kkmrkkblmbrbkC-PRP
M110543/221087/15918193/607322357657/12854675150951/172903064568937/265270986222199/78035778736191436726367/757340164519198428144423409 : C87973562B9643D4
PRP: Verified
PRP without proof (not generated)
2017-10-09Chang Chia-TcheC-PRP
M110543/known_factors : C87973562B9643D4
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M110543/known_factors : C87973562B9643D4
PRP without proof (not generated)
2017-01-09Ismo LaitelaF-ECM
Factor: 757340164519198428144423409 / (ECM curve 337, B1=250000, B2=50000000)
2016-12-16kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2014-09-12TJAOIF-ECM
Factor: 78035778736191436726367 / (ECM curve 9, B1=50000, B2=5000000)
2008-12-03Matthias WurtingerF-ECM
Factor: 105007896820127321246300609
2008-12-03Matthias WurtingerF-ECM
Factor: 265270986222199
2008-07-26J FeitsmaF
Factor: 607322357657
2008-07-26J FeitsmaF
Factor: 15918193
2008-07-26J FeitsmaF
Factor: 12854675150951