1 174 601 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
178539353	9	27.4	old
2795421455794241	16	51.3	2014-06-24 13:25:49
3245303709163088239	19	61.5	2014-12-29 00:52:20
210863050669620940566193	24	77.5	2018-06-15 13:10:53

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 (Factored)	2017-10-05	Oliver Kruse	8AA6AEFF637352C7	3	0	1	3
Verified (Factored)	2017-10-17	Oliver Kruse	8AA6AEFF637352C7	3	924597	1	3
Verified (Factored)	2018-01-07	ATH	8AA6AEFF637352C7	3	107601	1	3
Verified	2018-06-18	_p95holder_	52C2FE62715CAFF7	4	883701	5	3
Verified	2018-06-19	arnaud	52C2FE62715CAFF7	4	795653	5	3

P-1 factors

Date	Factor	B1	B2
2014-12-29	3245303709163088239	300000	10000000

History

Date	User	Type	Result
2018-06-19	arnaud	C-PRP	M1174601/178539353/2795421455794241/3245303709163088239/210863050669620940566193 : 52C2FE62715CAFF7 PRP: Verified PRP without proof (not generated)
2018-06-18	_p95holder_	C-PRP	M1174601/178539353/2795421455794241/3245303709163088239/210863050669620940566193 : 52C2FE62715CAFF7 PRP: Verified PRP without proof (not generated)
2018-06-15	TJAOI	F-ECM	Factor: 210863050669620940566193 / (ECM curve 128, B1=50000, B2=5000000)
2018-01-07	ATH	C-PRP	M1174601/178539353/2795421455794241/3245303709163088239 : 8AA6AEFF637352C7 PRP: Verified PRP without proof (not generated)
2017-10-17	Oliver Kruse	C-PRP	M1174601/178539353/2795421455794241/3245303709163088239 : 8AA6AEFF637352C7 PRP: Verified PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1174601/178539353/2795421455794241/3245303709163088239 : 8AA6AEFF637352C7 PRP: Verified PRP without proof (not generated)
2017-09-29	Oliver Kruse	C-PRP	M1174601/178539353/2795421455794241/3245303709163088239 : 8AA6AEFF637352C7 PRP without proof (not generated)
2014-12-29	alpertron	F-PM1	Factor: 3245303709163088239 / (P-1, B1=300000, B2=10000000, E=12)
2014-06-24	TJAOI	F	Factor: 2795421455794241