2 539 633 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
40634129	8	25.3	old
11694380440771961	17	53.4	2014-09-20 10:55:27

ECM

Digits	B1	Curves
25	50000	125 / 280

Estimated T-Level: 22.2 ⓘ

TF below 2^69 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	4572C4865CA01E36	2	1504318	5	3
Verified	PRP without proof (not generated)	2017-12-01	storm5510	4572C4865CA01E36	2	1336525	5	3

History

Date	User	Type	Result
2019-07-04	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-12-01	storm5510	C-PRP	M2539633/40634129/11694380440771961 : 4572C4865CA01E36
2017-10-14	Oliver Kruse	C-PRP	M2539633/40634129/11694380440771961 : 4572C4865CA01E36
2014-09-20	TJAOI	F	Factor: 11694380440771961

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