6 211 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
1110196860540711188306812523817624319633363099818286801	55	179.5	2009-06-25 11:02:18

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	9201 / 9201
50	44000000	3502 / 16550

Estimated T-Level: 46.1 ⓘ

TF below 2^148 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Unknown	72AA	0
Verified (Factored)		George Woltman	320C67EBCB30F2AA	0
Verified (Factored)		Brian J. Beesley	320C67EBCB30F2AA	0

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-21	Oliver Kruse	D8127C8FD303A153	1	0	1	3
Verified	2017-10-02	kkmrkkblmbrbk	D8127C8FD303A153	1	0	1	3
Verified	2017-12-07	ATH	D8127C8FD303A153	1	3678	1	3
Verified	2020-04-17	Oliver Kruse	BFFF3C8FDE895C32	1	883	5	3
Verified	2024-02-03	Wentao Huang	BFFF3C8FDE895C32	1	5386	5	3

History

Date	User	Type	Result
2024-02-03	Wentao Huang	C-PRP	M6211/1110196860540711188306812523817624319633363099818286801 : BFFF3C8FDE895C32 PRP: Verified PRP without proof (small exponent)
2023-07-31	-Anonymous-	NF-PM1	B1=40000000000, B2=169615672618692300
2021-08-01	ViliamF	NF-PM1	B1=500000000, B2=90500000000
2020-04-17	Oliver Kruse	C-PRP	M6211/1110196860540711188306812523817624319633363099818286801 : BFFF3C8FDE895C32 PRP: Verified PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M6211/1110196860540711188306812523817624319633363099818286801 : D8127C8FD303A153 PRP: Verified PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M6211/1110196860540711188306812523817624319633363099818286801 : D8127C8FD303A153 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M6211/known_factors : D8127C8FD303A153 PRP without proof (not generated)
2009-06-25	eteo	F-ECM	Factor: 1110196860540711188306812523817624319633363099818286801