749 129 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
568810652571212479	18	59.0	2007-08-30 17:44:06

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-27	Oliver Kruse	4BDC256FD2AA7678	1	0	1	3
Verified	2017-10-13	Oliver Kruse	4BDC256FD2AA7678	1	247739	1	3
Verified	2017-12-16	ATH	4BDC256FD2AA7678	1	62827	1	3
Unverified (Reliable)	2020-04-20	Oliver Kruse	4072B0436C2883__	1	159242	5	3

History

Date	User	Type	Result
2020-04-20	Oliver Kruse	C-PRP	M749129/568810652571212479 : 4072B0436C2883__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-12-16	ATH	C-PRP	M749129/568810652571212479 : 4BDC256FD2AA7678 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-10-13	Oliver Kruse	C-PRP	M749129/568810652571212479 : 4BDC256FD2AA7678 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-27	Oliver Kruse	C-PRP	M749129/568810652571212479 : 4BDC256FD2AA7678 PRP: Unverified (Reliable) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2007-08-30	Team_Bundu	F-ECM	Factor: 568810652571212479