3 132 637 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
300278789455554364655183	24	78.0	2021-10-14 09:25:14

ECM

Digits	B1	Curves
25	50000	72 / 280

Estimated T-Level: 21.3 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)	1998-02-08	Chris Hunt	6FA399D1E51F1928	0
Verified (Factored)	1999-08-22	Matic Dolar	6FA399D1E51F1928	49615

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-10-18	SRJ2877	909C93B9F4761C9F	1	1741194	5	3

History

Date	User	Type	Result
2022-02-20	Joss	NF-PM1	B1=1000000, B2=128282700
2021-10-18	curtisc	CERT	PRP Certification Proof certified good
2021-10-18	SRJ2877	C-PRP	M3132637/300278789455554364655183 : 909C93B9F4761C9F PRP proof power = 7 PRP: Verified Proof certified good
2021-10-14	RIHATEC	F-ECM	Factor: 300278789455554364655183 / (ECM curve 1, B1=50000, B2=5000000, Sigma=879075787612135)
2021-07-26	MadPoo	NF	no factor from 2^68 to 2^69
2019-01-07	TJAOI	NF	no factor from 2^67 to 2^68
2019-01-07	mikr	NF-PM1	B1=3000000, B2=100000000, E=12
2018-07-16	Joss	NF-PM1	B1=652144, B2=3260720
2018-07-15	Joss	NF-PM1	B1=652144, B2=2608576
2017-04-17	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-10-01	Squeeky_Squirrel	NF-PM1	B1=195000, B2=5460000, E=12
2015-06-14	Tha	NF	no factor from 2^65 to 2^66
2015-02-11	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-11	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-03	dbaugh	NF	no factor from 2^62 to 2^63
2011-11-11	markr	NF	no factor from 2^61 to 2^62
2011-09-04	Squeeky_Squirrel	NF-PM1	B1=105000, B2=2152500, E=6
2009-07-03	Carsten Kossendey	NF-PM1	B1=15000, B2=183750
2009-04-13	S485122	NF	no factor from 2^60 to 2^61