3 665 813 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 3 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
17965064432353	14	44.0	old
73934250087167	14	46.1	2008-09-30 21:29:57
1995455893202890031	19	60.8	2016-03-07 12:08:20

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	EB7F28C273C6D553	3	0	1	3
Verified	2017-11-28	Oliver Kruse	EB7F28C273C6D553	3	1197647	1	3

History

Date	User	Type	Result
2022-09-09	Joss	NF-PM1	B1=1000000, B2=212677920
2022-06-15	LordJulius	NF	no factor from 2^66 to 2^67
2022-06-15	LordJulius	NF	no factor from 2^65 to 2^66
2022-06-15	LordJulius	NF	no factor from 2^64 to 2^65
2022-06-15	LordJulius	NF	no factor from 2^63 to 2^64
2022-06-15	LordJulius	NF	no factor from 2^61 to 2^63
2022-03-27	Joss	NF-PM1	B1=1000000, B2=147585900
2022-03-20	Lisander Viaene	NF-PM1	B1=100000, B2=38206140
2022-03-19	Lisander Viaene	NF-PM1	B1=100000
2022-03-06	Joss	NF	no factor from 2^67 to 2^68
2017-11-28	Oliver Kruse	C-PRP	M3665813/17965064432353/73934250087167/1995455893202890031 : EB7F28C273C6D553 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M3665813/17965064432353/1995455893202890031/73934250087167 : EB7F28C273C6D553 PRP: Verified PRP without proof (not generated)
2016-03-07	TJAOI	F	Factor: 1995455893202890031 / TF: 60-61
2008-09-30	markr	F	Factor: 73934250087167