M3 975 739 981 Mersenne number exponent details

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is 2 ^3975739981 - 1

has 1196816990 decimal digits

takes 997,432.174 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	2⁷¹	0.1202	54.9296%	-	-	-	-	0.1202	54.9296%
Target	2⁹²	252,273.5792	65.2174%	20000000	6000000000	125,796.0639	4.2335%	378,069.6431	66.6899%
Difference	-21	-252,273.4589	-10.2878%	-20000000	-6000000000	-125,796.0639	-4.2335%	-378,069.5228	-11.7603%

Known prime factors:
No known factors for M3975739981

P-1 results:
No P-1 results for M3975739981

Trial Factoring results:
No TF results for M3975739981

ECM factoring results:
No ECM results for M3975739981

Lucas-Lehmer results:
No L-L results for M3975739981

PRP results:
No PRP results for M3975739981

TF factor-bounds graph:

2⁷¹

this exponent TF target: 92

2⁵⁰

2⁶⁰

2⁷⁰

2⁸⁰

2⁹⁰

2¹⁰⁰

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