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

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Exponent Range:










MnStatusDetails
1464583Factored
FactorDigitsBitsDate
171605673454757284312063.92017-06-06 11:16:59
97460530390926187031512273.02019-03-22 12:43:31
241480164228906129126072374.42009-04-03 13:40:37
ECM
DigitsB1Curves
2550000280 / 280
30250000105 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)ROLAND BOCKHORSTBB99E2B0347038570
Verified (Factored)1999-01-02Johan WingeBB99E2B034703857675160
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-28alpertron779660C954F28F962013
Verified (Factored)2017-10-18Oliver Kruse779660C954F28F962116972313
Verified2019-03-22ATH8BCF5BE2848FB8AE343507753
Verified2019-03-23kkmrkkblmbrbk8BCF5BE2848FB8AE3131300253
History
DateUserTypeResult
2022-03-09LordJuliusNF
no factor from 2^1 to 2^61
2022-03-08LordJuliusNF
no factor from 2^62 to 2^63
2022-03-08LordJuliusNF
no factor from 2^61 to 2^62
2022-03-08LordJuliusNF
no factor from 2^58 to 2^61
2019-03-23kkmrkkblmbrbkC-PRP
M1464583/24148016422890612912607/17160567345475728431/9746053039092618703151 : 8BCF5BE2848FB8AE
PRP: Verified
PRP without proof (not generated)
2019-03-22ATHC-PRP
M1464583/24148016422890612912607/17160567345475728431/9746053039092618703151 : 8BCF5BE2848FB8AE
PRP: Verified
PRP without proof (not generated)
2019-03-22TJAOIF-ECM
Factor: 9746053039092618703151 / (ECM curve 38, B1=50000, B2=5000000)
2017-10-18Oliver KruseC-PRP
M1464583/24148016422890612912607/17160567345475728431 : 779660C954F28F96
PRP: Verified
PRP without proof (not generated)
2017-09-28alpertronC-PRP
M1464583/17160567345475728431/24148016422890612912607 : 779660C954F28F96
PRP: Verified
PRP without proof (not generated)
2017-06-06TJAOIF
Factor: 17160567345475728431 / TF: 63-64
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12
2009-04-03axnF-ECM
Factor: 24148016422890612912607