1 030 889 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
1310147630585009289724111	25	80.1	2009-10-19 13:59:06

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)		David Slowinski	C91	0
Verified (Factored)		Alan Covington	B0665341BEDA6C91	0
Verified (Factored)	2002-02-03	S57483	B0665341BEDA6C91	817737

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-28	Oliver Kruse	0E474D8C8C239B2F	1	0	1	3
Verified	2017-10-15	Oliver Kruse	0E474D8C8C239B2F	1	95981	1	3
Verified	2017-12-27	ATH	0E474D8C8C239B2F	1	233543	1	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^58 to 2^60
2021-07-23	ViliamF	NF-PM1	B1=10000000, B2=1000000000
2017-12-27	ATH	C-PRP	M1030889/1310147630585009289724111 : 0E474D8C8C239B2F PRP: Verified PRP without proof (not generated)
2017-10-15	Oliver Kruse	C-PRP	M1030889/1310147630585009289724111 : 0E474D8C8C239B2F PRP: Verified PRP without proof (not generated)
2017-09-28	Oliver Kruse	C-PRP	M1030889/1310147630585009289724111 : 0E474D8C8C239B2F PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=300000, B2=10000000, E=12
2009-10-19	SubPrime	F-ECM	Factor: 1310147630585009289724111
2009-02-15	Sturle Sunde	NF	no factor from 2^60 to 2^61