7 211 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
14423	5	13.8	old
57689	5	15.8	old
475927	6	18.9	old
4805906110723913959	19	62.1	old

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	2383 / 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	5ECD6E85F35D6091	4	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	5ECD6E85F35D6091	4	1110	1	3
Verified	2020-04-17	Oliver Kruse	DEA55CFEDBE108A8	4	4560	5	3
Verified (Factored)	2022-05-12	Jorge Coveiro	DEA55CFEDBE108A8	1	66	5	3
Verified	2024-02-03	Wentao Huang	DEA55CFEDBE108A8	4	1198	5	3

History

Date	User	Type	Result
2024-02-03	Wentao Huang	C-PRP	M7211/14423/57689/475927/4805906110723913959 : DEA55CFEDBE108A8 PRP: Verified PRP without proof (small exponent)
2023-08-26	-Anonymous-	NF-PM1	B1=34000000000, B2=142096338314180250
2022-05-12	Jorge Coveiro	C-PRP	M7211/14423 : DEA55CFEDBE108A8 PRP: Verified PRP without proof (small exponent)
2021-12-08	onlinegame	NF-PM1	B1=1000000000, B2=10000000000, E=12
2020-04-17	Oliver Kruse	C-PRP	M7211/14423/57689/475927/4805906110723913959 : DEA55CFEDBE108A8 PRP: Verified PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M7211/14423/57689/475927/4805906110723913959 : 5ECD6E85F35D6091 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M7211/14423/57689/475927/4805906110723913959 : 5ECD6E85F35D6091 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M7211/14423/57689/475927/4805906110723913959 : 5ECD6E85F35D6091 PRP without proof (not generated)