1 817 707 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
119968663	9	26.8	old
54019915269001796699970361	26	85.5	2020-07-25 13:22:01

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 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)	2017-10-03	Oliver Kruse	3FC7F580BE6D50FE	1	0	1	3
Verified (Factored)	2017-11-06	bayanne	3FC7F580BE6D50FE	1	530838	1	3
Verified	2020-07-25	mrh	BF6D43B1D6C10ABE	2	263262	5	3
Verified	2020-07-25	ATH	BF6D43B1D6C10ABE	2	1736470	5	3

History

Date	User	Type	Result
2020-07-25	ATH	C-PRP	M1817707/119968663/54019915269001796699970361 : BF6D43B1D6C10ABE PRP: Verified PRP without proof (not generated)
2020-07-25	mrh	C-PRP	M1817707/119968663/54019915269001796699970361 : BF6D43B1D6C10ABE PRP: Verified PRP without proof (not generated)
2020-07-25	_p95holder_	F-ECM	Factor: 54019915269001796699970361 / (ECM curve 3, B1=50000, B2=5000000)
2017-11-06	bayanne	C-PRP	M1817707/119968663 : 3FC7F580BE6D50FE PRP: Verified PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1817707/119968663 : 3FC7F580BE6D50FE PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12