13 513 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
64879397924324925613132529328223	32	105.7	old
109383531877474552274846014944007	33	106.4	2017-03-20 15:54:01

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	1333 / 9201

Estimated T-Level: 40.7 ⓘ

TF below 2^130 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	15EE1D55BE77C8E1	2	0	1	3
Verified	2017-10-02	kkmrkkblmbrbk	15EE1D55BE77C8E1	2	0	1	3
Verified	2017-12-07	ATH	15EE1D55BE77C8E1	2	9778	1	3
Unverified	2020-04-17	Oliver Kruse	FBB147B38F0357__	2	2938	5	3

P-1 factors

Date	Factor	B1	B2
2017-03-20	109383531877474552274846014944007	10000000000	1206738685689916
2024-01-29	109383531877474552274846014944007	100000000000	122154521813133808

History

Date	User	Type	Result
2024-01-29	-Anonymous-	F-PM1	Factor: 109383531877474552274846014944007 / (P-1, B1=100000000000, B2=122154521813133810)
2020-04-17	Oliver Kruse	C-PRP	M13513/64879397924324925613132529328223/109383531877474552274846014944007 : FBB147B38F0357__ PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M13513/64879397924324925613132529328223/109383531877474552274846014944007 : 15EE1D55BE77C8E1 PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M13513/64879397924324925613132529328223/109383531877474552274846014944007 : 15EE1D55BE77C8E1 PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M13513/64879397924324925613132529328223/109383531877474552274846014944007 : 15EE1D55BE77C8E1 PRP without proof (not generated)
2017-03-20	kkmrkkblmbrbk	F-PM1	Factor: 109383531877474552274846014944007 / (P-1, B1=10000000000, B2=1206738685689916)