9 212 927 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
278598912481	12	38.0	old
5445447910183	13	42.3	2008-09-30 23:56:37
305273240372829919	18	58.1	2015-08-07 11:35:37
593968773973346003503	21	69.0	2021-03-26 03:16:23

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2019-07-31	Niels_Mache_Nextcloud	024BD5C5CBF46081	3	1616436	5	3
Verified (Factored)	2020-11-02	kutens	024BD5C5CBF46081	3	3846300	5	3
Verified	2021-03-28	Joe S.	024BD5C5CBF46081	4	5351401	5	3

P-1 factors

Date	Factor	B1	B2
2021-03-26	593968773973346003503	1000000	76000000

History

Date	User	Type	Result
2021-03-28	curtisc	CERT	PRP Certification Proof certified good
2021-03-28	Joe S.	C-PRP	M9212927/278598912481/5445447910183/305273240372829919/593968773973346003503 : 024BD5C5CBF46081 PRP proof power = 8 PRP: Verified Proof certified good
2021-03-26	ViliamF	F-PM1	Factor: 593968773973346003503 / (P-1, B1=1000000, B2=76000000)
2020-11-02	Ben Delo	CERT	PRP Certification Proof certified good
2020-11-02	kutens	C-PRP	M9212927/278598912481/5445447910183/305273240372829919 : 024BD5C5CBF46081 PRP proof power = 8 PRP: Verified (Factored) Proof certified good
2019-07-31	Niels_Mache_Nextcloud	C-PRP	M9212927/278598912481/5445447910183/305273240372829919 : 024BD5C5CBF46081 PRP: Verified (Factored) PRP without proof (not generated)
2015-08-07	TJAOI	F	Factor: 305273240372829919 / TF: 58-59
2008-09-30	markr	F	Factor: 5445447910183