3 277 091 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
82720961822692409	17	56.2	old
3949973853435236632393	22	71.7	2018-09-25 10:05:14

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 (Factored)	2017-11-03	Oliver Kruse	B5AB8B5C241E98C4	1	2396383	5	3
Verified (Factored)	2017-12-14	kkmrkkblmbrbk	B5AB8B5C241E98C4	1	2123036	5	3
Verified	2018-09-27	rbanov	B5AB8B5C241E98C4	2	1270218	5	3

History

Date	User	Type	Result
2022-09-07	Joss	NF-PM1	B1=1077708, B2=223284600
2022-01-08	Joss	NF-PM1	B1=1077708, B2=116447100
2021-10-04	Joss	NF	no factor from 2^67 to 2^68
2020-12-30	Joss	NF-PM1	B1=327709, B2=3277091, E=6
2020-12-28	Joss	NF-PM1	B1=163854
2020-12-25	Joss	NF-PM1	B1=109236
2018-09-27	rbanov	C-PRP	M3277091/82720961822692409/3949973853435236632393 : B5AB8B5C241E98C4 PRP: Verified PRP without proof (not generated)
2018-09-25	Niels_Mache_Nextcloud	F-ECM	Factor: 3949973853435236632393 / (ECM curve 3, B1=50000, B2=5000000)
2017-12-14	kkmrkkblmbrbk	C-PRP	M3277091/82720961822692409 : B5AB8B5C241E98C4 PRP: Verified PRP without proof (not generated)
2017-11-03	Oliver Kruse	C-PRP	M3277091/82720961822692409 : B5AB8B5C241E98C4 PRP: Verified PRP without proof (not generated)