7 477 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
8303323208630384921910830498744689673	37	122.6	old

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	2189 / 9201

Estimated T-Level: 41.2 ⓘ

TF below 2^132 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-21	Oliver Kruse	E0F8DACA665A1C91	1	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	E0F8DACA665A1C91	1	4761	1	3
Verified	2020-04-17	Oliver Kruse	93D1D086F13CE000	1	6276	5	3
Verified	2024-02-03	Wentao Huang	93D1D086F13CE000	1	1978	5	3

History

Date	User	Type	Result
2024-02-03	Wentao Huang	C-PRP	M7477/8303323208630384921910830498744689673 : 93D1D086F13CE000 PRP: Verified PRP without proof (small exponent)
2023-09-01	-Anonymous-	NF-PM1	B1=40000000000, B2=169617550478676300
2021-07-05	ViliamF	NF-PM1	B1=1000000000, B2=201000000000
2020-04-17	Oliver Kruse	C-PRP	M7477/8303323208630384921910830498744689673 : 93D1D086F13CE000 PRP: Verified PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M7477/8303323208630384921910830498744689673 : E0F8DACA665A1C91 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M7477/8303323208630384921910830498744689673 : E0F8DACA665A1C91 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M7477/8303323208630384921910830498744689673 : E0F8DACA665A1C91 PRP without proof (not generated)