7 057 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
621017	6	19.2	old
47758280943609490592879268928418689	35	115.2	old

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	2306 / 9201

Estimated T-Level: 41.3 ⓘ

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	7DCAB7A05A35D91F	2	0	1	3
Verified	2017-10-02	kkmrkkblmbrbk	7DCAB7A05A35D91F	2	0	1	3
Verified	2017-12-07	ATH	7DCAB7A05A35D91F	2	1004	1	3
Verified	2020-04-17	Oliver Kruse	9EE1FBB329454316	2	5754	5	3
Verified	2024-02-03	Wentao Huang	9EE1FBB329454316	2	4853	5	3

History

Date	User	Type	Result
2024-02-03	Wentao Huang	C-PRP	M7057/621017/47758280943609490592879268928418689 : 9EE1FBB329454316 PRP: Verified PRP without proof (small exponent)
2023-08-23	-Anonymous-	NF-PM1	B1=34000000000, B2=142098478841769450
2021-12-16	Lisander Viaene	NF-PM1	B1=100000000
2020-04-17	Oliver Kruse	C-PRP	M7057/621017/47758280943609490592879268928418689 : 9EE1FBB329454316 PRP: Verified PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M7057/621017/47758280943609490592879268928418689 : 7DCAB7A05A35D91F PRP: Verified PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M7057/621017/47758280943609490592879268928418689 : 7DCAB7A05A35D91F PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M7057/known_factors : 7DCAB7A05A35D91F PRP without proof (not generated)