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
435107Factored
FactorDigitsBitsDate
20048423482799481592542169769844547336117.32019-05-18 03:05:08
ECM
DigitsB1Curves
2550000280 / 280
30250000203 / 640
Estimated T-Level: 26.6 ⓘ
TF below 2^83 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski2B840
Verified (Factored)Jerry Williamson0C1DEF0A0616AB840
Verified (Factored)Eivind Triel0C1DEF0A0616AB845083
Verified (Factored)2002-02-03Dennis Pope0C1DEF0A0616AB84313374
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2019-05-19Daniil Tsarkov0955D872DE01BADC139235053
Verified2019-05-19ATH0955D872DE01BADC129312953
Verified2019-05-19ANONYMOUS0955D872DE01BADC118335153
History
DateUserTypeResult
2019-05-19ANONYMOUSC-PRP
M435107/200484234827994815925421697698445473 : 0955D872DE01BADC
PRP: Verified
PRP without proof (small exponent)
2019-05-19ATHC-PRP
M435107/200484234827994815925421697698445473 : 0955D872DE01BADC
PRP: Verified
PRP without proof (small exponent)
2019-05-19Daniil TsarkovC-PRP
M435107/200484234827994815925421697698445473 : 0955D872DE01BADC
PRP: Verified
PRP without proof (small exponent)
2019-05-18alexF-ECM
Factor: 200484234827994815925421697698445473 / (ECM curve 91, B1=250000, B2=25000000, Sigma=6256644214833038)
2018-12-19Gordon SpenceNF
no factor from 2^65 to 2^66
2018-01-06BloodERazorNF
no factor from 2^64 to 2^65
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2015-11-15Gordon SpenceNF
no factor from 2^63 to 2^64
2015-11-15Gordon SpenceNF
no factor from 2^62 to 2^63
2012-12-01dbaughNF
no factor from 2^61 to 2^62
2012-11-27dbaughNF
no factor from 2^60 to 2^61
2012-09-10markrNF-PM1
B1=10000000, B2=400000000, E=12
2010-08-20Rob_DeeNF-PM1
B1=1000000, B2=2000000, E=6
2010-08-19Rob_DeeNF-PM1
B1=500000, B2=1000000
2009-08-26Carsten KossendeyNF-PM1
B1=435107