1 652 897 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
44876153551	11	35.4	old
205087825604663472839807	24	77.4	2019-01-29 14:46:56

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	134 / 640

Estimated T-Level: 26.0 ⓘ

TF below 2^82 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-02	Oliver Kruse	574C396758A61A84	1	0	1	3
Verified (Factored)	2017-11-02	kkmrkkblmbrbk	574C396758A61A84	1	723369	1	3
Verified	2019-01-29	Julian112	6D3C06318F1BE98C	2	32312	5	3
Verified	2019-01-29	ATH	6D3C06318F1BE98C	2	1327383	5	3

History

Date	User	Type	Result
2019-01-29	ATH	C-PRP	M1652897/44876153551/205087825604663472839807 : 6D3C06318F1BE98C PRP: Verified PRP without proof (not generated)
2019-01-29	Julian112	C-PRP	M1652897/44876153551/205087825604663472839807 : 6D3C06318F1BE98C PRP: Verified PRP without proof (not generated)
2019-01-29	Chang Chia-Tche	F-ECM	Factor: 205087825604663472839807 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-02	kkmrkkblmbrbk	C-PRP	M1652897/44876153551 : 574C396758A61A84 PRP: Verified PRP without proof (not generated)
2017-10-02	Oliver Kruse	C-PRP	M1652897/44876153551 : 574C396758A61A84 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12