2 348 233 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 2⁶²

Factored

Factor	Digits	Bits	Date
1183509433	10	30.1	old
1953729857	10	30.9	2008-07-14 20:23:13

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	125 / 640

Estimated T-Level: 26.0 ⓘ

TF below 2^81 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)	2017-10-12	Oliver Kruse	3C03732125D2BF7D	2	0	1	3
Verified	PRP without proof (not generated)	2017-11-24	storm5510	3C03732125D2BF7D	2	1336894	1	3

History

Date	User	Type	Result
2018-03-18	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2017-11-24	storm5510	C-PRP	M2348233/1183509433/1953729857 : 3C03732125D2BF7D
2017-10-12	Oliver Kruse	C-PRP	M2348233/1183509433/1953729857 : 3C03732125D2BF7D
2008-07-14	George Woltman	F-ECM	Factor: 1953729857

Username
Password