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What positive number is the same its reciprocal?
The answer is 1.Reciprocal is the quantity obtained by dividing the number one by a given quantity. The reciprocal of x is 1/X. The only positive integer that is itself when divided into 1 is 1.
How do you find the given number is prime or not?
you see if it can be divided by any numbers that are not 1 or itself
What name is given to a positive whole number that can only be devided by 1 or itself?
A prime number. Note: The number 1 itself is normally not considered a prime number.
What is the highest and lowest factor?
Of any given positive number, the highest factor is the number itself, and the lowest factor is 1.
For any positive integer x how many positive even integers are less than x is it x or x minus 1 or x plus 1 divided by 2 or x minus 1 divided by 2 or x divided by 2?
Given any positive odd integer x the number of positive even integers less than x is given by (x-1)/2.
Is three a factor of 81?
A factor = a number which can be divided into the given number with no remainder Yes. It's the only factor of 81 (apart from 9, 27 and 81 itself).
When you add a positive number by a negative number will it be negative or positive?
That depends on the values of the given numbers but a positive number multiplied by a negative number will be negative
How can you tell number given is prime?
A prime number is a positive integer with two factors: one and the number itself. If you test the numbers up to the square root and your number is not divisible by any of them, it's prime.
What is a number that must be multiplied times itself to equal a given number?
the square root of the given number
What is A number that when multiplied by itself equals the given number?
0 and 1. 1x1 = 1. The answer is itself!
What is the number that when multiplied by itself equals a given number is called what?
A square number.
