1 718 701 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
10312207	8	23.3	old
174529731076646938367	21	67.2	2019-05-27 14:28:02
326554844439522401039	21	68.1	2020-05-04 10:43:33

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)	2017-09-30	alpertron	43720E0EC52DC28C	1	0	1	3
Verified (Factored)	2017-10-19	Oliver Kruse	43720E0EC52DC28C	1	1588885	1	3
Verified (Factored)	2019-05-30	fre_games	C1F68B73C9E48165	2	308847	5	3
Verified (Factored)	2019-05-30	ATH	C1F68B73C9E48165	2	1033656	5	3
Verified (Factored)	2019-05-30	Daniil Tsarkov	C1F68B73C9E48165	2	883679	5	3
Verified	2020-05-05	M Miller	C1F68B73C9E48165	3	916075	5	3

History

Date	User	Type	Result
2020-05-05	M Miller	C-PRP	M1718701/10312207/174529731076646938367/326554844439522401039 : C1F68B73C9E48165 PRP: Verified PRP without proof (not generated)
2020-05-04	TJAOI	F-ECM	Factor: 326554844439522401039 / (ECM curve 28, B1=50000, B2=5000000)
2019-05-30	Daniil Tsarkov	C-PRP	M1718701/10312207/174529731076646938367 : C1F68B73C9E48165 PRP: Verified PRP without proof (not generated)
2019-05-30	ATH	C-PRP	M1718701/10312207/174529731076646938367 : C1F68B73C9E48165 PRP: Verified PRP without proof (not generated)
2019-05-30	fre_games	C-PRP	M1718701/10312207/174529731076646938367 : C1F68B73C9E48165 PRP: Verified PRP without proof (not generated)
2019-05-27	Chang Chia-Tche	F-ECM	Factor: 174529731076646938367 / (ECM curve 2, B1=50000, B2=5000000)
2017-10-19	Oliver Kruse	C-PRP	M1718701/10312207 : 43720E0EC52DC28C PRP: Verified PRP without proof (not generated)
2017-09-30	alpertron	C-PRP	M1718701/10312207 : 43720E0EC52DC28C PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12