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# What is meant by a factor of a number?

Updated: 8/17/2019

Wiki User

14y ago

A whole number, f, is a factor of another whole number, n, if f goes into n some exact number of times - that is, it leaves no remainder.

Another way of putting it is: if you have a number n, then f is a factor of n if you can find a number, g (not necessarily different), such that f*g = n

Wiki User

14y ago

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Q: What is meant by a factor of a number?
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### How can you test to determine if a factor is a factor of another number?

Divide the factor into the number. If the answer is a whole number, the factor is a factor.

### What are two numbers that have a Greatest Common Factor of 7 and a Least Common Factor of 28?

The greatest common factor can't be a smaller number than the least common factor, but if you meant least common multiple, 7 and 28 have a GCF of 7 and an LCM of 28.

### What is the difference between greatest common factor and least common factor?

The greatest common factor of two (or more) integers is the biggest whole number that divides into each one of them. The least common factor is the smallest whole number that divides into each one of them and must be 1. Very possibly, you meant the least common multiple, however?

### Is a factor a prime number?

A factor can or cannot be a prime number Ex: 2 is the factor of all other even numbers its a prime number but 9 is a factor of 18 and its not a prime number A prime is a factor but a factor being a prime number varies

### How do you write 10 to the -4th power as a product of its common factor?

A single number can't have a common factor. In case you meant the product of its prime fators, that's 2^-4 x 5^-4.

### What does a number times a number equal to?

A number times a number is a factor times a factor and it makes a product. Number x number = factor x factor = product

### What is the greatest common factor of 84?

It is not possible to give a sensible answer to this question. The greatest common factor (GCF) refers to a factor that is COMMON to two or more numbers. You have only one number in the question.If you meant 8 and 4, then the greatest common factor is 4.You need at least two numbers to find a GCF.

### Which number is a factor of every number?

1 is a factor of every number.1 is a factor of every number.

### Why GCF of two or more positive integers never greater than the least of the numbers?

I think you meant to say that it's never greater than the least of the numbers.The easiest explanation is to simply remind you that the GCF is a factor of every numberin the group, and no factor of a number can be greater than the number itself.

### What is a composite factor?

A composite factor is a factor that is a composite number, as opposed to a prime factor which is a factor that is a prime number.

### What number has only one factor tree?

Every composite number has its own unique tree, so I guess the answer is all numbers have one tree. Perhaps you meant one branch or one factor. Prime numbers only have two factors, one of them is prime, so if you try to do a factor tree with a prime number, it stops the second you write the number down. And then there's one. One only has one factor, so we won't even bother with a tree. We'll call it a factor twig.