4 654 669 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 2⁶⁵

Factored

Factor	Digits	Bits	Date
884387111	9	29.7	old
184101468289	12	37.4	2008-09-07 23:42:40

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	C2586B4A0458B2C5	2	0	1	3
Verified	PRP without proof (not generated)	2018-05-03	storm5510	C2586B4A0458B2C5	2	2511142	1	3

History

Date	User	Type	Result
2023-08-16	USAFSS	NF-PM1	B1=240000, B2=91991760
2018-05-03	storm5510	C-PRP	M4654669/884387111/184101468289 : C2586B4A0458B2C5
2017-09-20	kkmrkkblmbrbk	C-PRP	M4654669/184101468289/884387111 : C2586B4A0458B2C5
2008-09-07	Will Edgington	F	Factor: 184101468289

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