2 529 581 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
1896293511130519	16	50.8	old

ECM

Digits	B1	Curves
25	50000	120 / 280

Estimated T-Level: 22.1 ⓘ

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	4440BD362F47E336	1	933137	5	3
Verified	PRP without proof (not generated)	2017-12-01	storm5510	4440BD362F47E336	1	1000101	5	3

History

Date	User	Type	Result
2022-08-23	USAFSS	NF-PM1	B1=300000, B2=259451010
2017-12-01	storm5510	C-PRP	M2529581/1896293511130519 : 4440BD362F47E336
2017-10-14	Oliver Kruse	C-PRP	M2529581/1896293511130519 : 4440BD362F47E336

Username
Password