2 474 569 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
555783248263	12	39.0	old

ECM

Digits	B1	Curves
25	50000	167 / 280

Estimated T-Level: 23.0 ⓘ

TF below 2^71 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	EA136D1B5D4D0B67	1	2410280	5	3
Verified	PRP without proof (not generated)	2017-11-29	storm5510	EA136D1B5D4D0B67	1	1441961	5	3

History

Date	User	Type	Result
2019-07-04	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-29	storm5510	C-PRP	M2474569/555783248263 : EA136D1B5D4D0B67
2017-10-14	Oliver Kruse	C-PRP	M2474569/555783248263 : EA136D1B5D4D0B67

Username
Password