3 290 201 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
19741207	8	24.2	old
26321609	8	24.6	2008-09-07 19:48:08
443802052087	12	38.7	2008-09-30 14:47:11
4680302928890866481	19	62.0	2016-06-21 11:22:54

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	2017-11-03	Oliver Kruse	7C8D33C37AAF7645	4	1769169	5	3
Verified	2017-12-14	kkmrkkblmbrbk	7C8D33C37AAF7645	4	3142184	5	3

History

Date	User	Type	Result
2022-07-25	Joss	NF-PM1	B1=3290201, B2=3302479950
2022-04-08	LordJulius	NF	no factor from 2^63 to 2^64
2022-04-08	LordJulius	NF	no factor from 2^62 to 2^63
2021-11-01	Joss	NF-PM1	B1=3290201, B2=131608040, E=12
2021-09-16	Joss	NF-PM1	B1=3290201, B2=13160804, E=12
2021-09-11	Joss	NF-PM1	B1=3290201
2021-08-29	Joss	NF	no factor from 2^68 to 2^69
2021-01-30	Joss	NF	no factor from 2^66 to 2^67
2021-01-30	Joss	NF	no factor from 2^67 to 2^68
2021-01-20	Joss	NF	no factor from 2^65 to 2^66
2021-01-02	Joss	NF	no factor from 2^64 to 2^65
2020-12-27	Joss	NF-PM1	B1=329020, B2=9870603, E=6
2017-12-14	kkmrkkblmbrbk	C-PRP	M3290201/19741207/26321609/443802052087/4680302928890866481 : 7C8D33C37AAF7645 PRP: Verified PRP without proof (not generated)
2017-11-03	Oliver Kruse	C-PRP	M3290201/19741207/26321609/443802052087/4680302928890866481 : 7C8D33C37AAF7645 PRP: Verified PRP without proof (not generated)
2016-06-21	TJAOI	F	Factor: 4680302928890866481 / TF: 62-63
2008-09-30	markr	F	Factor: 443802052087
2008-09-07	Will Edgington	F	Factor: 26321609