2 484 631 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
13575753666948263303	20	63.6	2009-02-15 01:54:36

ECM

Digits	B1	Curves
25	50000	58 / 280

Estimated T-Level: 21.0 ⓘ

TF below 2^65 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Jon Shickel	5801244D68E158C7	0
Verified (Factored)	1999-05-16	Bill Krause	5801244D68E158C7	598410

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-14	Oliver Kruse	4757A9E89D3A49BA	1	1696490	5	3
Verified	2017-11-30	kkmrkkblmbrbk	4757A9E89D3A49BA	1	2318968	5	3

History

Date	User	Type	Result
2023-03-21	Denial140	NF-PM1	B1=1000000, B2=5781283200
2023-01-25	USAFSS	NF-PM1	B1=218000, B2=238697550
2022-03-10	LordJulius	NF	no factor from 2^1 to 2^60
2017-11-30	kkmrkkblmbrbk	C-PRP	M2484631/13575753666948263303 : 4757A9E89D3A49BA PRP: Verified PRP without proof (not generated)
2017-10-14	Oliver Kruse	C-PRP	M2484631/13575753666948263303 : 4757A9E89D3A49BA PRP: Verified PRP without proof (not generated)
2009-02-15	Lukasz Wrobel	F-ECM	Factor: 13575753666948263303
2009-01-14	Sturle Sunde	NF	no factor from 2^60 to 2^61