2 475 427 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
60816290537	11	35.8	old

ECM

Digits	B1	Curves
25	50000	111 / 280

Estimated T-Level: 22.0 ⓘ

TF below 2^68 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	D8CEFBA8AC5EDE23	1	2173329	5	3
Verified	PRP without proof (not generated)	2017-11-29	nokno	AAE38F5D68EF91B1	1	0	1	3
Verified	PRP without proof (not generated)	2017-11-29	storm5510	D8CEFBA8AC5EDE23	1	665748	5	3
Verified	PRP without proof (not generated)	2017-12-04	kkmrkkblmbrbk	AAE38F5D68EF91B1	1	1888456	1	3

History

Date	User	Type	Result
2018-09-28	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-12-04	kkmrkkblmbrbk	C-PRP	M2475427/60816290537 : AAE38F5D68EF91B1
2017-11-29	storm5510	C-PRP	M2475427/60816290537 : D8CEFBA8AC5EDE23
2017-11-29	nokno	C-PRP	M2475427/60816290537 : AAE38F5D68EF91B1
2017-10-14	Oliver Kruse	C-PRP	M2475427/60816290537 : D8CEFBA8AC5EDE23

Username
Password