1 150 921 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
9790156187770459031	19	63.1	2008-06-13 11:38:25

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	1A1B	0
Verified (Factored)		Morris Thompson	60CCF4D89DCDDA1B	0
Verified (Factored)	2001-06-23	Brian J. Beesley	60CCF4D89DCDDA1B	784772

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-29	Oliver Kruse	CDCB7B006C54C62E	1	0	1	3
Verified	2017-10-17	Oliver Kruse	CDCB7B006C54C62E	1	709474	1	3
Verified	2018-01-02	ATH	CDCB7B006C54C62E	1	1011791	1	3

History

Date	User	Type	Result
2018-01-02	ATH	C-PRP	M1150921/9790156187770459031 : CDCB7B006C54C62E PRP: Verified PRP without proof (not generated)
2017-10-17	Oliver Kruse	C-PRP	M1150921/9790156187770459031 : CDCB7B006C54C62E PRP: Verified PRP without proof (not generated)
2017-09-29	Oliver Kruse	C-PRP	M1150921/9790156187770459031 : CDCB7B006C54C62E PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=300000, B2=10000000, E=12
2008-06-13	Team_Bundu	F-ECM	Factor: 9790156187770459031