6 928 309 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
140144448790201	15	47.0	old
1488992999214425071	19	60.4	2016-02-02 12:32:21
1914936374137077620839	22	70.7	2023-12-27 13:20:52

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2018-01-23	Oliver Kruse	1BAE84285D5703AA	2	4782945	5	3
Verified (Factored)	2019-01-30	Chang Chia-Tche	1BAE84285D5703AA	2	6922746	5	3
Verified	2024-01-01	Naegi Makoto	1BAE84285D5703AA	3	550397	5	3

P-1 factors

Date	Factor	B1	B2
2023-12-27	1914936374137077620839	577000	1280664000

History

Date	User	Type	Result
2024-01-01	LOBES	CERT	PRP Certification Proof certified good
2024-01-01	Naegi Makoto	C-PRP	M6928309/140144448790201/1488992999214425071/1914936374137077620839 : 1BAE84285D5703AA PRP proof power = 8 PRP: Verified Proof certified good
2023-12-27	Stef42	F-PM1	Factor: 1914936374137077620839 / (P-1, B1=577000, B2=1280664000)
2019-01-30	Chang Chia-Tche	C-PRP	M6928309/140144448790201/1488992999214425071 : 1BAE84285D5703AA PRP: Verified (Factored) PRP without proof (not generated)
2018-01-23	Oliver Kruse	C-PRP	M6928309/140144448790201/1488992999214425071 : 1BAE84285D5703AA PRP: Verified (Factored) PRP without proof (not generated)
2016-02-02	TJAOI	F	Factor: 1488992999214425071 / TF: 60-61