M6 949 927 Mersenne number exponent details

≡

is 2 ^6949927 - 1

has 2092137 decimal digits

takes 1.515 GHz-days to do one PRP test

Last-known PrimeNet details:

Exponent is not assigned to anyone

0 primality tests remaining

	Residue	Status
L-L	-unknown-	-unknown-
PRP	-unknown-	-unknown-

	Trial Factoring			P-1 Factoring				Combined
	Limit	GHz-days	Probability	B1	B2	GHz-days	Probability	GHz-days	Probability
Actual	2⁶⁷	4.2754	65.6716%	-	-	-	-	4.2754	65.6716%
Target	2⁶⁷	4.2754	65.6716%	45000	900000	0.0290	2.2379%	4.3044	66.4399%
Difference	-	-	-	-45000	-900000	-0.0290	-2.2379%	-0.0290	-0.7682%

Known prime factors (2 factors, 77.8 bits, 0.00111943% known):

Remaining cofactor is not a probable-prime

						P-1		GHz-days
exponent	factor	digits	bits*	k	date found	min B1	min B2	min. TF	min. P-1	normal P-1
6949927	7964616343	10	32.891	573 3 × 191	-	3	191	9.254e-11	4.187e-6	6.280e-6
6949927	33026456199767	14	44.909	2376029 37 × 64217	2008-09-30	37	64217	4.357e-7	0.0011	0.0021

1 Composite Factors:

P-1 results:
No P-1 results for M6949927

Trial Factoring results:

			Bits		Factor			GHz-Days		worth
date	userid	compid	from	to	factor	bits*	digits	spent	saved	worth
2008-09-30	markr	Manual testing	?	?	33026456199767	44.909	14	9.84630e-8	7.335	4.76590e-7

ECM factoring results:
No ECM results for M6949927

Lucas-Lehmer results:
No L-L results for M6949927

PRP results:

date

userid

compid

cofactors

res64

PRP

2018-01-27

Oliver Kruse

GTX-2

7964616343

33026456199767

9276011B6DD8F8__

no

2019-02-07

kkmrkkblmbrbk

c5.large

7964616343

33026456199767

9276011B6DD8F89D

no

P-1 factor-bounds graph:

X = B1; Y = B2
size of marker relates to size of factor
mouse-over any factor marker (circle) to see additional info
mouse-over any stage bound text to see additional info

10⁰

10¹

10²

10⁰

10¹

10²

10³

10⁴

10⁵

TF factor-bounds graph:

2

this exponent TF target: 67

TF double-checked to: 67.8

2⁵⁰

2⁶⁰

2⁷⁰

Last modified: 2023-04-26T21:34:10+00:00