M4 051 575 449 Mersenne number exponent details

≡

is 2 ^4051575449 - 1

has 1219645740 decimal digits

takes 1,016,457.748 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	1.8886	57.3333%	-	-	-	-	1.8886	57.3333%
Target	2⁹²	247,551.6419	65.2174%	20000000	6000000000	125,796.0639	4.2412%	373,347.7058	66.6926%
Difference	-17	-247,549.7533	-7.8841%	-20000000	-6000000000	-125,796.0639	-4.2412%	-373,345.8172	-9.3593%

Known prime factors:
No known factors for M4051575449

P-1 results:
No P-1 results for M4051575449

Trial Factoring results:

			Bits		Factor			GHz-Days		worth
date	userid	compid	from	to	factor	bits*	digits	spent	saved	worth
2023-07-07	ramgeis	r4mg31s	2⁷¹	2⁷³		-	-	0.354	-	-
2023-07-07	ramgeis	r4mg31s	2⁷³	2⁷⁴		-	-	0.472	-	-
2023-07-07	ramgeis	r4mg31s	2⁷⁴	2⁷⁵		-	-	0.944	-	-

ECM factoring results:
No ECM results for M4051575449

Lucas-Lehmer results:
No L-L results for M4051575449

PRP results:
No PRP results for M4051575449

TF factor-bounds graph:

2⁷⁵

2⁷⁴

2⁷³

this exponent TF target: 92

2⁵⁰

2⁶⁰

2⁷⁰

2⁸⁰

2⁹⁰

2¹⁰⁰

JSON version of this page

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