1 779 227 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
46259903	8	25.5	old
716802974144267311817	21	69.3	2020-09-02 02:34:01

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	0F40257F7E0126FA	1	0	1	3
Verified (Factored)	2017-11-04	ATH	0F40257F7E0126FA	1	803018	1	3
Verified	2020-09-02	M Miller	C3E1871C47B8BB96	2	1020748	5	3

History

Date	User	Type	Result
2020-09-02	Simon Josefsson	CERT	PRP Certification Proof certified good
2020-09-02	M Miller	C-PRP	M1779227/46259903/716802974144267311817 : C3E1871C47B8BB96 PRP proof power = 7 PRP: Verified Proof certified good
2020-09-02	_p95holder_	F-ECM	Factor: 716802974144267311817 / (ECM curve 6, B1=50000, B2=5000000)
2017-11-04	ATH	C-PRP	M1779227/46259903 : 0F40257F7E0126FA PRP: Verified (Factored) PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1779227/46259903 : 0F40257F7E0126FA PRP: Verified (Factored) PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12