M119 128 769 Mersenne number exponent details

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is 2 ^119128769 - 1

has 35861333 decimal digits

takes 550.143 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	0.2494	59.7015%	-	-	-	-	0.2494	59.7015%
Target	2⁷⁶	128.4660	64.4737%	800000	140000000	56.1408	4.2142%	184.6068	65.9708%
Difference	-9	-128.2166	-4.7722%	-800000	-140000000	-56.1408	-4.2142%	-184.3573	-6.2693%

Known prime factors (1 factor, 59.1 bits, 0.00004964% 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
119128769	632177691444812479	18	59.133	2653337631 3 × 7 × 19 × 659 × 10091	2009-01-18	659	10091	0.0010	0.0079	0.0090

P-1 results:
No P-1 results for M119128769

Trial Factoring results:
No TF results for M119128769

ECM factoring results:
No ECM results for M119128769

Lucas-Lehmer results:
No L-L results for M119128769

PRP results:
No PRP results for M119128769

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

10¹

10²

10³

10¹

10²

10³

10⁴

10⁵

TF factor-bounds graph:

this exponent TF target: 76

TF double-checked to: 67.9

2⁵⁰

2⁶⁰

2⁷⁰

2⁸⁰

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Last modified: 2023-10-02T12:12:48+00:00