736 399 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
7363991	7	22.8	old
35347153	8	25.1	2008-07-16 09:25:22
2149643817495113930161777	25	80.8	2014-10-01 11:36:08
90245295977059805164547306599	29	96.2	2016-12-02 13:19:48

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	2017-09-28	Oliver Kruse	E390014442067A22	4	0	1	3
Verified	2017-10-13	Oliver Kruse	E390014442067A22	4	113480	1	3
Verified	2017-12-16	ATH	E390014442067A22	4	284097	1	3
Unverified (Reliable)	2020-04-20	Oliver Kruse	EE86EF787FA74C__	4	606157	5	3

P-1 factors

Date	Factor	B1	B2
2014-10-01	2149643817495113930161777	500000	15000000

History

Date	User	Type	Result
2020-04-20	Oliver Kruse	C-PRP	M736399/7363991/35347153/2149643817495113930161777/90245295977059805164547306599 : EE86EF787FA74C__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-12-16	ATH	C-PRP	M736399/7363991/35347153/2149643817495113930161777/90245295977059805164547306599 : E390014442067A22 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-10-13	Oliver Kruse	C-PRP	M736399/7363991/35347153/2149643817495113930161777/90245295977059805164547306599 : E390014442067A22 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-28	Oliver Kruse	C-PRP	M736399/7363991/35347153/2149643817495113930161777/90245295977059805164547306599 : E390014442067A22 PRP: Unverified (Reliable) PRP without proof (not generated)
2017-09-27	Oliver Kruse	C-PRP	M736399/7363991/35347153/2149643817495113930161777/90245295977059805164547306599 : E390014442067A22 PRP without proof (not generated)
2016-12-02	TJAOI	F-ECM	Factor: 90245295977059805164547306599 / (ECM curve 21, B1=50000, B2=5000000)
2014-10-01	alpertron	F-PM1	Factor: 2149643817495113930161777 / (P-1, B1=500000, B2=15000000, E=12)
2008-07-16	J Feitsma	F	Factor: 35347153