1 034 849 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
7997663577475670753	19	62.8	2009-10-24 09:52:28

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	1CD6	0
Verified (Factored)		Colin Plumb	E8192230F6D1FCD6	0
Verified (Factored)	2002-02-10	S57483	E8192230F6D1FCD6	835773

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-28	Oliver Kruse	55985259DFC76917	1	0	1	3
Verified	2017-10-15	Oliver Kruse	55985259DFC76917	1	479926	1	3
Verified	2017-12-28	ATH	55985259DFC76917	1	405932	1	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^58 to 2^60
2021-07-17	ViliamF	NF-PM1	B1=10000000, B2=1110000000
2017-12-28	ATH	C-PRP	M1034849/7997663577475670753 : 55985259DFC76917 PRP: Verified PRP without proof (not generated)
2017-10-15	Oliver Kruse	C-PRP	M1034849/7997663577475670753 : 55985259DFC76917 PRP: Verified PRP without proof (not generated)
2017-09-28	Oliver Kruse	C-PRP	M1034849/7997663577475670753 : 55985259DFC76917 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=300000, B2=10000000, E=12
2009-10-24	JimBa	F-ECM	Factor: 7997663577475670753
2009-02-26	Sturle Sunde	NF	no factor from 2^60 to 2^61