3 391 331 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
6782663	7	22.7	old
88174607	8	26.4	2008-09-07 19:48:53
585403506200207	15	49.1	2014-04-22 10:41:51
1088829711104489	16	50.0	2014-05-16 11:29:04

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-11-05	Oliver Kruse	4FD905F399C4FE58	4	2709590	5	3
Verified	2017-12-15	kkmrkkblmbrbk	4FD905F399C4FE58	4	2366117	5	3

History

Date	User	Type	Result
2022-07-24	Joss	NF-PM1	B1=3391331, B2=3414845280
2021-11-21	Joss	NF	no factor from 2^69 to 2^70
2021-09-06	Joss	NF-PM1	B1=3391331, B2=139044571, E=12
2021-09-05	Joss	NF-PM1	B1=3391331, B2=105131261, E=12
2021-09-04	Joss	NF-PM1	B1=3391331, B2=71217951, E=12
2021-09-03	Joss	NF-PM1	B1=3391331, B2=37304641, E=12
2021-09-02	Joss	NF-PM1	B1=3391331
2021-08-26	Joss	NF	no factor from 2^68 to 2^69
2021-02-01	Joss	NF	no factor from 2^67 to 2^68
2021-01-31	Joss	NF	no factor from 2^66 to 2^67
2021-01-30	Joss	NF	no factor from 2^65 to 2^66
2020-07-02	Joss	NF-PM1	B1=339133, B2=6782662, E=6
2020-04-28	Joss	NF-PM1	B1=339133, B2=3391331, E=6
2017-12-15	kkmrkkblmbrbk	C-PRP	M3391331/6782663/88174607/585403506200207/1088829711104489 : 4FD905F399C4FE58 PRP: Verified PRP without proof (not generated)
2017-11-05	Oliver Kruse	C-PRP	M3391331/6782663/88174607/585403506200207/1088829711104489 : 4FD905F399C4FE58 PRP: Verified PRP without proof (not generated)
2014-05-16	TJAOI	F	Factor: 1088829711104489
2014-04-22	TJAOI	F	Factor: 585403506200207
2008-09-07	Will Edgington	F	Factor: 88174607