1 183 033 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
319199355325341289	18	58.1	2007-10-15 17:30:06

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		John Hocking	17DB013CEB1A5927	0
Verified (Factored)		Cornelius Caesar	17DB013CEB1A5927	0
Verified (Factored)		Ricardo Montiel	17DB013CEB1A5927	0

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-29	Oliver Kruse	07F1BE7546F4169E	1	0	1	3
Verified	2017-10-17	Oliver Kruse	07F1BE7546F4169E	1	38909	1	3
Verified	2018-01-03	ATH	07F1BE7546F4169E	1	995063	1	3

History

Date	User	Type	Result
2024-03-11	USAFSS	NF-PM1	B1=50000, B2=21728070
2018-01-03	ATH	C-PRP	M1183033/319199355325341289 : 07F1BE7546F4169E PRP: Verified PRP without proof (not generated)
2017-10-17	Oliver Kruse	C-PRP	M1183033/319199355325341289 : 07F1BE7546F4169E PRP: Verified PRP without proof (not generated)
2017-09-29	Oliver Kruse	C-PRP	M1183033/319199355325341289 : 07F1BE7546F4169E PRP: Verified PRP without proof (not generated)
2007-10-15	James Heinrich	F-ECM	Factor: 319199355325341289