2 436 977 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 3 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶³

Factored

Factor	Digits	Bits	Date
34117679	8	25.0	old
38767137678761	14	45.1	2014-01-15 15:26:19
65511049663793	14	45.9	2014-01-30 18:31:28

ECM

Digits	B1	Curves
25	50000	208 / 280

Estimated T-Level: 23.7 ⓘ

TF below 2^74 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)	2017-10-13	Oliver Kruse	80101C105A8DDA07	3	1446429	5	3
Verified	PRP without proof (not generated)	2017-11-27	storm5510	80101C105A8DDA07	3	1874392	5	3

History

Date	User	Type	Result
2018-09-28	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-27	storm5510	C-PRP	M2436977/34117679/38767137678761/65511049663793 : 80101C105A8DDA07
2017-10-13	Oliver Kruse	C-PRP	M2436977/34117679/38767137678761/65511049663793 : 80101C105A8DDA07
2014-01-30	TJAOI	F	Factor: 65511049663793
2014-01-15	TJAOI	F	Factor: 38767137678761

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