3 864 671 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

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

Trial Factored to 2⁶⁸

TF target 2⁶⁴

Factored

Factor	Digits	Bits	Date
7729343	7	22.9	old
4996872057435975161	19	62.1	2016-06-30 11:04:10

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	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-09-20	kkmrkkblmbrbk	94008027EADD852B	2	0	1	3
Verified	PRP without proof (not generated)	2017-12-24	storm5510	94008027EADD852B	2	3444603	1	3

History

Date	User	Type	Result
2022-05-23	Joss	NF-PM1	B1=100000, B2=130364850
2022-03-22	Joss	NF-PM1	B1=100000
2022-03-04	Joss	NF-PM1	B1=90000
2017-12-24	storm5510	C-PRP	M3864671/7729343/4996872057435975161 : 94008027EADD852B
2017-09-20	kkmrkkblmbrbk	C-PRP	M3864671/4996872057435975161/7729343 : 94008027EADD852B
2016-06-30	TJAOI	F	Factor: 4996872057435975161

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