2 653 193 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 2 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶³

Factored

Factor	Digits	Bits	Date
1036883743559	13	39.9	old
3546952900367	13	41.7	2008-09-30 14:37:25

ECM

Digits	B1	Curves
25	50000	186 / 280

Estimated T-Level: 23.3 ⓘ

TF below 2^72 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)	2017-10-18	Oliver Kruse	74FCC99181F9A87C	2	1039433	5	3
Verified	PRP without proof (not generated)	2017-12-03	storm5510	74FCC99181F9A87C	2	1250049	5	3

History

Date	User	Type	Result
2019-07-04	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-12-03	storm5510	C-PRP	M2653193/1036883743559/3546952900367 : 74FCC99181F9A87C
2017-10-18	Oliver Kruse	C-PRP	M2653193/1036883743559/3546952900367 : 74FCC99181F9A87C
2008-09-30	markr	F	Factor: 3546952900367

Username
Password