1 816 583 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
3633167	7	21.8	old
3777850184462536827432527	25	81.6	2020-06-04 22:44:34

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	A9D4F8CA1BA56D47	1	0	1	3
Verified (Factored)	2017-11-05	kkmrkkblmbrbk	A9D4F8CA1BA56D47	1	737137	1	3
Verified	2020-06-05	M Miller	93F1C8EC8263FEEF	2	1733511	5	3
Verified	2020-06-05	pew	93F1C8EC8263FEEF	2	499274	5	3

History

Date	User	Type	Result
2020-06-05	pew	C-PRP	M1816583/3633167/3777850184462536827432527 : 93F1C8EC8263FEEF PRP: Verified PRP without proof (not generated)
2020-06-05	M Miller	C-PRP	M1816583/3633167/3777850184462536827432527 : 93F1C8EC8263FEEF PRP: Verified PRP without proof (not generated)
2020-06-04	nordi	F-ECM	Factor: 3777850184462536827432527 / (ECM curve 113, B1=50000, B2=5000000, Sigma=43095020288616)
2017-11-05	kkmrkkblmbrbk	C-PRP	M1816583/3633167 : A9D4F8CA1BA56D47 PRP: Verified PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1816583/3633167 : A9D4F8CA1BA56D47 PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12