1 786 597 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
32005814597442617	17	54.8	old
4671463793357304006919	22	72.0	2020-04-02 19:38:30

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	E5450EA6BD58BAE6	1	0	1	3
Verified (Factored)	2017-11-05	ATH	E5450EA6BD58BAE6	1	602674	1	3
Verified	2020-04-03	mnd9	74F561598D77031C	2	1745972	5	3
Verified	2020-04-05	James Heinrich	74F561598D77031C	2	1621750	5	3

History

Date	User	Type	Result
2020-04-05	James Heinrich	C-PRP	M1786597/32005814597442617/4671463793357304006919 : 74F561598D77031C PRP: Verified PRP without proof (not generated)
2020-04-03	mnd9	C-PRP	M1786597/32005814597442617/4671463793357304006919 : 74F561598D77031C PRP: Verified PRP without proof (not generated)
2020-04-02	nordi	F-ECM	Factor: 4671463793357304006919 / (ECM curve 18, B1=50000, B2=5000000, Sigma=777779730677726)
2017-11-05	ATH	C-PRP	M1786597/32005814597442617 : E5450EA6BD58BAE6 PRP: Verified PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1786597/32005814597442617 : E5450EA6BD58BAE6 PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12