3 628 267 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
816462102942007033	18	59.5	old
76927855287681637793	20	66.1	2019-09-19 11:52:03

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-11-10	Oliver Kruse	3760C666C466D96C	1	103578	5	3
Verified (Factored)	2017-12-18	kkmrkkblmbrbk	3760C666C466D96C	1	152335	5	3
Verified	2019-09-20	mnd9	3760C666C466D96C	2	3444785	5	3

History

Date	User	Type	Result
2022-05-20	Joss	NF-PM1	B1=100000, B2=130364850
2022-03-20	Lisander Viaene	NF-PM1	B1=100000, B2=38206140
2022-03-19	Lisander Viaene	NF-PM1	B1=100000
2022-03-13	Joss	NF	no factor from 2^67 to 2^68
2019-09-20	mnd9	C-PRP	M3628267/816462102942007033/76927855287681637793 : 3760C666C466D96C PRP: Verified PRP without proof (not generated)
2019-09-19	TJAOI	F	Factor: 76927855287681637793 / TF: 66-67
2017-12-18	kkmrkkblmbrbk	C-PRP	M3628267/816462102942007033 : 3760C666C466D96C PRP: Verified PRP without proof (not generated)
2017-11-10	Oliver Kruse	C-PRP	M3628267/816462102942007033 : 3760C666C466D96C PRP: Verified PRP without proof (not generated)