M4 291 668 691 Mersenne number exponent details

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is 2 ^4291668691 - 1

has 1291921008 decimal digits

takes 1,161,581.856 GHz-days to do one PRP test

-unknown- 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	2⁷⁵	1.7830	57.3333%	-	-	-	-	1.7830	57.3333%
Target	2⁹²	233,702.6055	65.2174%	22000000	6500000000	147,147.4059	4.3564%	380,850.0114	66.7327%
Difference	-17	-233,700.8225	-7.8841%	-22000000	-6500000000	-147,147.4059	-4.3564%	-380,848.2284	-9.3993%

Known prime factors:
No known factors for M4291668691

P-1 results:
No P-1 results for M4291668691

Trial Factoring results:
No TF results for M4291668691

ECM factoring results:
No ECM results for M4291668691

Lucas-Lehmer results:
No L-L results for M4291668691

PRP results:
No PRP results for M4291668691

TF factor-bounds graph:

2⁷⁵

this exponent TF target: 92

2⁵⁰

2⁶⁰

2⁷⁰

2⁸⁰

2⁹⁰

2¹⁰⁰

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