2 693 923 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

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

Factored

Factor	Digits	Bits	Date
7284367793	10	32.8	old
11640692146497607	17	53.4	2014-09-20 10:40:47
140027362467625659463	21	66.9	2019-06-21 12:46:20

ECM

Digits	B1	Curves
25	50000	58 / 280

Estimated T-Level: 21.0 ⓘ

TF below 2^65 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-19	Oliver Kruse	4D51651D9D462910	2	1757710	5	3
Verified (Factored)	2017-12-04	ATH	4D51651D9D462910	2	70709	5	3
Verified	2019-06-22	Niels_Mache_Nextcloud	4D51651D9D462910	3	1594529	5	3

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2025-10-08	Phyxick	factor ECM small	C20S1	57.55 %	2025-10-12

P-1 factors

Date	Factor	B1	B2
2019-06-21	140027362467625659463	2000000	60000000

History

Date	User	Type	Result
2019-06-22	Niels_Mache_Nextcloud	C-PRP	M2693923/7284367793/11640692146497607/140027362467625659463 : 4D51651D9D462910 PRP: Verified PRP without proof (not generated)
2019-06-21	alpertron	F-PM1	Factor: 140027362467625659463 / (P-1, B1=2000000, B2=60000000, E=12)
2017-12-04	ATH	C-PRP	M2693923/7284367793/11640692146497607 : 4D51651D9D462910 PRP: Verified PRP without proof (not generated)
2017-10-19	Oliver Kruse	C-PRP	M2693923/7284367793/11640692146497607 : 4D51651D9D462910 PRP: Verified PRP without proof (not generated)
2014-09-20	TJAOI	F	Factor: 11640692146497607 / TF: 53-54