6 947 051 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
1387576178537	13	40.3	old
8721161096177	13	43.0	2013-12-18 13:37:21
7714667891804841151	19	62.7	2016-10-05 11:16:30
5638740790717041369959	22	72.3	2023-12-28 12:22:01

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-19	kkmrkkblmbrbk	D1E9AC6C8326ADDE	3	4733892	5	3
Verified (Factored)	2019-02-09	Chang Chia-Tche	D1E9AC6C8326ADDE	3	4486841	5	3
Verified	2024-01-01	Naegi Makoto	D1E9AC6C8326ADDE	4	6622936	5	3

P-1 factors

Date	Factor	B1	B2
2023-12-28	5638740790717041369959	577000	1280664000

History

Date	User	Type	Result
2024-01-02	Simon Josefsson	CERT	PRP Certification Proof certified good
2024-01-01	Naegi Makoto	C-PRP	M6947051/1387576178537/8721161096177/7714667891804841151/5638740790717041369959 : D1E9AC6C8326ADDE PRP proof power = 8 PRP: Verified Proof certified good
2023-12-28	Stef42	F-PM1	Factor: 5638740790717041369959 / (P-1, B1=577000, B2=1280664000)
2019-02-09	Chang Chia-Tche	C-PRP	M6947051/1387576178537/8721161096177/7714667891804841151 : D1E9AC6C8326ADDE PRP: Verified (Factored) PRP without proof (not generated)
2017-10-19	kkmrkkblmbrbk	C-PRP	M6947051/1387576178537/8721161096177/7714667891804841151 : D1E9AC6C8326ADDE PRP: Verified (Factored) PRP without proof (not generated)
2016-10-05	TJAOI	F	Factor: 7714667891804841151 / TF: 62-63
2013-12-18	TJAOI	F	Factor: 8721161096177