M697787747 Mersenne number exponent details

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is 2 ^697787747 - 1

has 210055043 decimal digits

takes 22,621.568 GHz-days to do one PRP test

Last-known PrimeNet details:

Exponent is not assigned to anyone

-unknown- primality tests remaining

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

Known prime factors (1 factor, 64.1 bits, 0.00000919% known):

Remaining cofactor is PRP status unknown

						P-1		GHz-days
exponent	factor	digits	bits*	k	date found	min B1	min B2	min. TF	min. P-1	normal P-1
697787747	20328215499457143913	20	64.140	14566188348 2² × 3² × 19 × 211 × 100927	2012-01-25	211	100927	0.0084	0.2679	0.4828

P-1 results:
No P-1 results for M697787747

Trial Factoring results:

			Bits		Factor			GHz-Days		worth
date	userid	compid	from	to	factor	bits*	digits	spent	saved	worth
2012-01-25T14:30:00	ANONYMOUS	Manual testing	?	?	20328215499457143913	64.140	20	0.003	46,357	0.007
2012-01-26T11:57:00	lalera	Manual testing	?	?	20328215499457143913	64.140	20	0.003	46,357	0.007
2010-03-17T00:00:00	linded	v4_computers	2⁶¹	2⁶²		-	-	0.000	-	-
2010-07-18T10:50:00	Architects Cubed	m1_76	2⁶³	2⁶⁴		-	-	0.003	-	-
2022-08-10T19:30:05	LordJulius	Manual testing	2¹	2⁶⁸	20328215499457143913	64.140	20	0.008	46,357	0.017

ECM factoring results:
No ECM results for M697787747

Lucas-Lehmer results:
No L-L results for M697787747

PRP results:
No PRP results for M697787747

P-1 factor-bounds graph:

10¹

10²

10³

10¹

10²

10³

10⁴

10⁵

10⁶

TF factor-bounds graph:

2⁶⁸

2⁶⁴

2⁶²

2⁵⁰

2⁶⁰

2⁷⁰

2⁸⁰

2⁹⁰

2¹⁰⁰

Last modified: 2022-08-10T19:30:05+00:00