M2 971 550 851 Mersenne number exponent details

≡

is 2 ^2971550851 - 1

has 894525940 decimal digits

takes 514,896.849 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	0.1609	54.9296%	-	-	-	-	0.1609	54.9296%
Target	2⁹¹	168,762.7446	64.8352%	15000000	4500000000	65,162.8370	4.1330%	233,925.5816	66.2885%
Difference	-20	-168,762.5837	-9.9056%	-15000000	-4500000000	-65,162.8370	-4.1330%	-233,925.4207	-11.3589%

Known prime factors:
No known factors for M2971550851

P-1 results:
No P-1 results for M2971550851

Trial Factoring results:
No TF results for M2971550851

ECM factoring results:
No ECM results for M2971550851

Lucas-Lehmer results:
No L-L results for M2971550851

PRP results:
No PRP results for M2971550851

TF factor-bounds graph:

2⁷¹

this exponent TF target: 91

2⁵⁰

2⁶⁰

2⁷⁰

2⁸⁰

2⁹⁰

2¹⁰⁰

JSON version of this page

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