1 614 289 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
456766322801737399044944446569067288633	39	128.4	2022-11-04 06:04:14

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Kevin Quiggle	B26EA055B0C755F9	0
Verified (Factored)	1999-07-27	David Campeau	B26EA055B0C755F9	147021
Verified (Factored)	2015-07-06	MadPoo	B26EA055B0C755F9	557984

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-11-04	Naegi Makoto	A0AF095A10913FD6	1	288074	5	3

P-1 factors

Date	Factor	B1	B2
2022-11-04	456766322801737399044944446569067288633	25000000	322351801200

History

Date	User	Type	Result
2022-11-04	AstroGeek	CERT	PRP Certification Proof certified good
2022-11-04	Naegi Makoto	C-PRP	M1614289/456766322801737399044944446569067288633 : A0AF095A10913FD6 PRP proof power = 6 PRP: Verified Proof certified good
2022-11-04	Naegi Makoto	F-PM1	Factor: 456766322801737399044944446569067288633 / (P-1, B1=25000000, B2=322351801200)
2021-05-18	Team_Inspector	NF-PP1	Start=2/7, B1=1000000, B2=50000000
2019-09-13	TJAOI	NF	no factor from 2^67 to 2^68
2018-02-03	VictordeHollander	NF-PM1	B1=10000000, B2=200000000, E=12
2017-11-24	TJAOI	NF	no factor from 2^66 to 2^67
2017-08-07	Joss	NF-PM1	B1=2000000, B2=20000000, E=12
2017-07-18	Joss	NF-PM1	B1=1200000, B2=12000000, E=12
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^62
2015-10-11	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-06	MadPoo	C-LL	B26EA055B0C755F9
2015-04-27	monst	NF	no factor from 2^64 to 2^65
2015-04-26	omylist	NF	no factor from 2^63 to 2^64
2011-11-18	BigBrother	NF-PM1	B1=1000000, B2=20000000, E=12
2010-07-17	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-05-04	Architects Cubed	NF	no factor from 2^60 to 2^61