4 101 817 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
333018346645824354631	21	68.2	2018-05-11 17:12:00

ECM

Digits	B1	Curves
25	50000	9 / 280

Estimated T-Level: 20.2 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Thomas Honold	ACDFD6575D9AEC9B	0
Verified (Factored)	2000-02-01	John Leith	ACDFD6575D9AEC9B	3987795

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-05-13	Oliver Kruse	AF806E1CBFA9631A	1	2976394	5	3
Verified	2018-05-13	ATH	AF806E1CBFA9631A	1	3235529	5	3

History

Date	User	Type	Result
2018-05-13	ATH	C-PRP	M4101817/333018346645824354631 : AF806E1CBFA9631A PRP: Verified PRP without proof (not generated)
2018-05-13	Oliver Kruse	C-PRP	M4101817/333018346645824354631 : AF806E1CBFA9631A PRP: Verified PRP without proof (not generated)
2018-05-11	Yxinity	F	Factor: 333018346645824354631 / TF: 68-69
2017-10-28	mikr	NF	no factor from 2^67 to 2^68
2017-10-28	mikr	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-07-11	David Campeau	NF-PM1	B1=1145000, B2=30915000, E=12
2015-05-31	snme2pm1	NF	no factor from 2^65 to 2^66
2013-10-09	David Campeau	NF	no factor from 2^64 to 2^65
2013-09-03	Jayder	NF	no factor from 2^63 to 2^64
2013-05-30	Squeeky_Squirrel	NF-PM1	B1=125000, B2=2343750, E=6
2011-07-30	USAFSS	NF-PM1	B1=40000, B2=580000
2011-07-01	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-11-20	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-07-23	Carsten Kossendey	NF-PM1	B1=20000, B2=300000