3 435 869 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
201611020660081	15	47.5	old

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	2017-11-06	Oliver Kruse	EF9EB3D9DD86B0BB	1	2560462	5	3
Verified	2017-12-16	kkmrkkblmbrbk	EF9EB3D9DD86B0BB	1	561723	5	3

P-1 factors

Date	Factor	B1	B2
2022-01-21	201611020660081	90000	90000

History

Date	User	Type	Result
2022-04-10	Joss	NF-PM1	B1=1000000, B2=126668850
2022-01-21	Joss	F-PM1	Factor: 201611020660081 / (P-1, B1=90000, B2=90000)
2021-05-15	Joss	NF	no factor from 2^67 to 2^68
2017-12-16	kkmrkkblmbrbk	C-PRP	M3435869/201611020660081 : EF9EB3D9DD86B0BB PRP: Verified PRP without proof (not generated)
2017-11-06	Oliver Kruse	C-PRP	M3435869/201611020660081 : EF9EB3D9DD86B0BB PRP: Verified PRP without proof (not generated)