M8937021983 Mersenne number exponent details

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is 2 ^8937021983 - 1

has 2690311689 decimal digits

takes 2,596,804.825 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	Prob over default TF
Actual	2⁵⁷	0.0000	40.3509%	-	-	-	-	0.0000	40.3509%	0.0000%
PrimeNet	2⁹²	112,226.8868	63.0435%	26000000	3000000000	79,221.9656	5.3442%	191,448.8525	65.0185%	1.9750%
GPU72	2⁹⁶	1,795,630.1899	64.5833%	40000000	3000000000	84,799.1111	4.1531%	1,880,429.3010	66.0542%	1.4709%
Difference	-39	-1,795,630.1898	-24.2325%	-40000000	-3000000000	-84,799.1111	-4.1531%	-1,880,429.3010	-25.7033%	-25.7033%

Known prime factors:
No known factors for M8937021983

P-1 results:
No P-1 results for M8937021983

Trial Factoring results:
No TF results for M8937021983

ECM factoring results:
No ECM results for M8937021983

Lucas-Lehmer results:
No L-L results for M8937021983

PRP results:
No PRP results for M8937021983

TF factor-bounds graph:

2⁵⁷

2⁵⁰

2⁶⁰

2⁷⁰

2⁸⁰

2⁹⁰

2¹⁰⁰