2 357 683 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
551697823	9	29.0	old
88422543233	11	36.4	2008-07-14 20:23:17

ECM

Digits	B1	Curves
25	50000	229 / 280

Estimated T-Level: 24.1 ⓘ

TF below 2^75 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	3D989E4467DD568D	2	0	1	3
Verified	PRP without proof (not generated)	2017-11-24	storm5510	3D989E4467DD568D	2	572915	1	3

History

Date	User	Type	Result
2018-04-27	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-24	storm5510	C-PRP	M2357683/551697823/88422543233 : 3D989E4467DD568D
2017-10-12	Oliver Kruse	C-PRP	M2357683/551697823/88422543233 : 3D989E4467DD568D
2008-07-14	George Woltman	F-ECM	Factor: 88422543233

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