41 029 441 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
2998577840052725589335890439	28	91.3	2024-01-29 08:17:54
145135143123598692565245877677438002712525001	45	146.7	2020-08-24 10:42:50

Status	Date	User	Residue	Shift
Verified (Factored)	2008-08-07	Benjamin Ubach	5593301F10214407	2667379
Verified (Factored)	2017-08-28	mrt	5593301F10214407	36959775

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2024-01-30	Naegi Makoto	1E0652A9F6D23263	2	19553589	5	3

P-1 factors

Date	Factor	B1	B2
2020-08-24	145135143123598692565245877677438002712525001	1000000	20000000
2024-01-29	2998577840052725589335890439	2000000	2547063750

History

Date	User	Type	Result
2024-01-30	daveward2005	CERT	PRP Certification Proof certified good
2024-01-30	Naegi Makoto	C-PRP	M41029441/2998577840052725589335890439/145135143123598692565245877677438002712525001 : 1E0652A9F6D23263 PRP proof power = 9 PRP: Verified Proof certified good
2024-01-29	Naegi Makoto	F-PM1	Factor: 2998577840052725589335890439 / (P-1, B1=2000000, B2=2547063750)
2024-01-29	Naegi Makoto	NF	no factor from 2^74 to 2^75
2020-08-24	Sid & Andy	F-PM1	Factor: 145135143123598692565245877677438002712525001 / (P-1, B1=1000000, B2=20000000, E=12)
2020-01-24	-Anonymous-	NF	no factor from 2^73 to 2^74
2019-09-30	-Anonymous-	NF	no factor from 2^72 to 2^73
2017-08-28	mrt	C-LL	5593301F10214407
2015-06-10	Sid & Andy	NF	no factor from 2^71 to 2^72
2014-12-25	chalsall	NF	no factor from 2^70 to 2^71
2013-02-24	Never Odd Or Even	NF	no factor from 2^69 to 2^70
2013-02-24	Never Odd Or Even	NF	no factor from 2^68 to 2^69