2 485 537 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 1 known prime factor. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶³

Factored

Factor	Digits	Bits	Date
23113354763506583	17	54.4	old

ECM

Digits	B1	Curves
25	50000	129 / 280

Estimated T-Level: 22.3 ⓘ

TF below 2^69 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)	2017-10-14	Oliver Kruse	7E2D9AA7BBEBD631	1	1631552	5	3
Verified	PRP without proof (not generated)	2017-11-30	nokno	6A9EFD42DC6A55F4	1	0	1	3
Verified	PRP without proof (not generated)	2017-11-30	storm5510	7E2D9AA7BBEBD631	1	2129189	5	3
Verified	PRP without proof (not generated)	2017-12-04	kkmrkkblmbrbk	6A9EFD42DC6A55F4	1	1061917	1	3

History

Date	User	Type	Result
2022-08-18	USAFSS	NF-PM1	B1=224000, B2=203668920
2017-12-04	kkmrkkblmbrbk	C-PRP	M2485537/23113354763506583 : 6A9EFD42DC6A55F4
2017-11-30	storm5510	C-PRP	M2485537/23113354763506583 : 7E2D9AA7BBEBD631
2017-11-30	nokno	C-PRP	M2485537/23113354763506583 : 6A9EFD42DC6A55F4
2017-10-14	Oliver Kruse	C-PRP	M2485537/23113354763506583 : 7E2D9AA7BBEBD631

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