2 305 637 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
295121537	9	28.1	old
516462689	9	28.9	2008-07-14 20:22:53
14841219363137	14	43.8	2008-09-30 14:36:48
374144645716949482971983	24	78.3	2022-11-02 22:26:13

ECM

Digits	B1	Curves
25	50000	78 / 280

Estimated T-Level: 21.4 ⓘ

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

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-11	Oliver Kruse	2C64C20A48B76D97	3	0	1	3
Verified (Factored)	2017-11-22	kkmrkkblmbrbk	2C64C20A48B76D97	3	322787	1	3
Verified	2022-11-08	LordJulius	EC870DF9AB7ED489	4	2062194	5	3
Verified	2022-11-08	Funky Waddle	EC870DF9AB7ED489	4	1834401	5	3

History

Date	User	Type	Result
2022-11-08	iwes	CERT	PRP Certification Proof certified good
2022-11-08	Funky Waddle	C-PRP	M2305637/295121537/516462689/14841219363137/374144645716949482971983 : EC870DF9AB7ED489 PRP proof power = 7 PRP: Verified Proof certified good
2022-11-08	Chad Steenerson	CERT	PRP Certification Proof certified good
2022-11-08	LordJulius	C-PRP	M2305637/295121537/516462689/14841219363137/374144645716949482971983 : EC870DF9AB7ED489 PRP proof power = 7 PRP: Verified Proof certified good
2022-11-02	_p95holder_	F-ECM	Factor: 374144645716949482971983 / (ECM curve 5, B1=50000, B2=5000000)
2021-06-11	ViliamF	NF-PM1	B1=5000000, B2=505000000
2018-02-19	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2017-11-22	kkmrkkblmbrbk	C-PRP	M2305637/295121537/516462689/14841219363137 : 2C64C20A48B76D97 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-11	Oliver Kruse	C-PRP	M2305637/295121537/516462689/14841219363137 : 2C64C20A48B76D97 PRP: Verified (Factored) PRP without proof (not generated)
2008-09-30	markr	F	Factor: 14841219363137
2008-07-14	George Woltman	F-ECM	Factor: 516462689