2 932 117 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 2 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
900745464037954830593	21	69.6	2015-04-29 15:00:44
17061892923484570163633	23	73.9	2025-04-14 15:09:53

ECM

Digits	B1	Curves
25	50000	84 / 280

Estimated T-Level: 21.5 ⓘ

TF below 2^66 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1998-04-11	Marco Bruno	F677D0B0C95975D4	0
Verified (Factored)	1999-05-23	Joe Elliot	F677D0B0C95975D4	1915393

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-25	Oliver Kruse	045D6762E49A4403	1	1271195	5	3
Verified (Factored)	2017-12-09	kkmrkkblmbrbk	045D6762E49A4403	1	1715748	5	3
Verified	2025-04-14	atk80230	045D6762E49A4403	2	2844619	5	3

P-1 factors

Date	Factor	B1	B2
2015-04-29	900745464037954830593	1000000	20000000

History

Date	User	Type	Result
2025-04-14	Massimo Cappelli (ik5pwa)	CERT	PRP Certification Proof certified good
2025-04-14	atk80230	C-PRP	M2932117/900745464037954830593/17061892923484570163633 : 045D6762E49A4403 PRP proof power = 7 PRP: Verified Proof certified good
2025-04-14	atk80230	F-ECM	Factor: 17061892923484570163633 / (ECM curve 6, B1=50000, B2=117709515, Edwards Sigma=4323699373144452)
2022-03-10	LordJulius	NF	no factor from 2^1 to 2^60
2017-12-09	kkmrkkblmbrbk	C-PRP	M2932117/900745464037954830593 : 045D6762E49A4403 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-25	Oliver Kruse	C-PRP	M2932117/900745464037954830593 : 045D6762E49A4403 PRP: Verified (Factored) PRP without proof (not generated)
2015-04-29	VictordeHollander	F-PM1	Factor: 900745464037954830593 / (P-1, B1=1000000, B2=20000000, E=12)
2015-04-25	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-25	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-07	dbaugh	NF	no factor from 2^62 to 2^63
2011-12-19	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2010-11-09	markr	NF-PM1	B1=105000, B2=2283750, E=6
2009-02-12	Sturle Sunde	NF	no factor from 2^60 to 2^61