9 574 189 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 7 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
2048876447	10	30.9	old
4136049649	10	31.9	2008-09-08 05:32:55
12637929481	11	33.6	2008-09-08 05:32:55
1559348162431	13	40.5	2008-09-08 05:32:56
5954590255039	13	42.4	2008-09-30 23:57:43
52406000130371096081	20	65.5	2018-12-19 12:48:31
59661528185488921873	20	65.7	2019-03-21 14:11:21

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2019-08-09	nordi	F625F265E9F887FE	1	0	1	3
Verified	2019-09-26	ATH	524B605DFC698BE9	7	448879	5	3
Verified	2020-12-13	Oliver Kruse	524B605DFC698BE9	7	568879	5	3

P-1 factors

Date	Factor	B1	B2
2022-06-20	994425875261337217663745727157759366923119067095133287	2000000	4660145490

History

Date	User	Type	Result
2022-11-28	LordJulius	NF	no factor from 2^68 to 2^69
2022-11-11	LordJulius	NF	no factor from 2^67 to 2^68
2022-11-11	LordJulius	NF	no factor from 2^66 to 2^67
2022-11-11	LordJulius	NF	no factor from 2^65 to 2^66
2022-11-11	LordJulius	NF	no factor from 2^64 to 2^65
2022-06-20	Tha	F-PM1	Factor: 994425875261337217663745727157759366923119067095133287 / (P-1, B1=2000000, B2=4660145490)
2021-08-26	Seth_Tr	NF-PM1	B1=360000, B2=21960000
2020-12-13	Albrecht Heeffer	CERT	PRP Certification Proof certified good
2020-12-13	Oliver Kruse	C-PRP	M9574189/2048876447/4136049649/12637929481/1559348162431/5954590255039/52406000130371096081/59661528185488921873 : 524B605DFC698BE9 PRP proof power = 8 PRP: Verified Proof certified good
2019-09-26	ATH	C-PRP	M9574189/2048876447/4136049649/12637929481/1559348162431/5954590255039/52406000130371096081/59661528185488921873 : 524B605DFC698BE9 PRP: Verified PRP without proof (not generated)
2019-08-09	nordi	C-PRP	M9574189/known_factors : F625F265E9F887FE PRP: Verified PRP without proof (not generated)
2019-03-21	TJAOI	F	Factor: 59661528185488921873 / TF: 65-66
2018-12-19	TJAOI	F	Factor: 52406000130371096081 / TF: 65-66
2008-09-30	markr	F	Factor: 5954590255039
2008-09-08	Will Edgington	F	Factor: 1559348162431
2008-09-08	Will Edgington	F	Factor: 12637929481
2008-09-08	Will Edgington	F	Factor: 4136049649