1 153 849 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
403902444317930777	18	58.5	2007-10-09 13:51:02

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)		David Slowinski	6C8	0
Verified (Factored)		The Grebelius Family	2AE9380EE64B06C8	0
Verified (Factored)	2002-07-14	S57483	2AE9380EE64B06C8	973753

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-29	Oliver Kruse	8EE4BF7708D310A5	1	0	1	3
Verified	2017-10-17	Oliver Kruse	8EE4BF7708D310A5	1	673699	1	3
Verified	2018-01-03	ATH	8EE4BF7708D310A5	1	777579	1	3

History

Date	User	Type	Result
2018-01-03	ATH	C-PRP	M1153849/403902444317930777 : 8EE4BF7708D310A5 PRP: Verified PRP without proof (not generated)
2017-10-17	Oliver Kruse	C-PRP	M1153849/403902444317930777 : 8EE4BF7708D310A5 PRP: Verified PRP without proof (not generated)
2017-09-29	Oliver Kruse	C-PRP	M1153849/403902444317930777 : 8EE4BF7708D310A5 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=300000, B2=10000000, E=12
2007-10-09	robcreid	F-ECM	Factor: 403902444317930777