M697907989 Mersenne number exponent details

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is 2 ^697907989 - 1

has 210091239 decimal digits

takes 22,625.466 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, 66.8 bits, 0.00000957% 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
697907989	129429697112323321999	21	66.811	92726906091 3 × 67 × 607 × 827 × 919	2014-09-17	827	919	0.0403	0.0391	0.0791

P-1 results:
No P-1 results for M697907989

Trial Factoring results:

			Bits		Factor			GHz-Days		worth
date	userid	compid	from	to	factor	bits*	digits	spent	saved	worth
2010-03-17T00:00:00	linded	v4_computers	2⁶¹	2⁶²		-	-	0.000	-	-
2010-07-18T13:41:00	Architects Cubed	m1_67	2⁶³	2⁶⁴		-	-	0.003	-	-
2012-01-25T15:56:00	lalera	Manual testing	2⁶⁴	2⁶⁵		-	-	0.005	-	-
2013-11-13T23:21:00	sasaki	Manual testing	2⁶⁵	2⁶⁶		-	-	0.011	-	-
2014-09-17T09:26:00	sasaki	Manual testing	2⁶⁶	2⁶⁸	129429697112323321999	66.811	21	0.019	46,365	0.039
2022-08-13T01:07:42	LordJulius	Manual testing	2¹	2⁷⁰	129429697112323321999	66.811	21	0.040	46,365	0.083
2022-08-13T01:07:42	LordJulius	Manual testing	2⁷⁰	2⁷¹		-	-	0.343	-	-
2022-08-13T01:07:42	LordJulius	Manual testing	2⁷¹	2⁷²		-	-	0.685	-	-
2022-08-13T01:07:42	LordJulius	Manual testing	2⁷²	2⁷³		-	-	1.371	-	-

ECM factoring results:
No ECM results for M697907989

Lucas-Lehmer results:
No L-L results for M697907989

PRP results:
No PRP results for M697907989

P-1 factor-bounds graph:

10¹

10²

10³

10¹

10²

10³

TF factor-bounds graph:

2⁷³

2⁷²

2⁷¹

2⁷⁰

2⁶⁸

2⁶⁶

2⁶⁵

2⁶⁴

2⁶²

2⁵⁰

2⁶⁰

2⁷⁰

2⁸⁰

2⁹⁰

2¹⁰⁰

Last modified: 2022-08-13T01:07:42+00:00