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Q: When you have a number that has exactly two equal factors each factor is called?

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prime number

This is called a factor. Factors, by definition, are numbers you can multiply together to get another number, or a product.

A factor is a number by which another is exactly divisible. Every number has factors. Some numbers have the same factors as other numbers. Those are common factors. When comparing lists of common factors, the largest number is called the greatest common factor, or GCF.

No. A factor is a number which divides exactly into another number. So the factors of 150 are: 1,2,3,5,10,15,25,50,75.

Do you mean what is a number that has exactly two factors? If so the answer is a prime number. Eg. 2,3,5,7,11..... They are only divisible by 1 and themselves

It is called a factor

Its factors.

A factor of a integer is an integer that divides the second integer into a third integer exactly; i.e. A is a factor of B if B/A is exactly C, where all of A, B and C are integers. A prime factor is a factor as above, but is also a prime number. This means that the only factors of that factor are one and the number itself; i.e. A is a prime factor of B if B/A is exactly C andthe only factors of A are 1 and A.

A number that has exactly two (positive) factors is called a prime number. For instance, the only factors of 7 are 1 and 7.

There are exactly two whole number factors of any prime number. The first factor is '1'. The other factor is the prime number itself.

A factor is a number or algebraic expression by which another is exactly divisible.

In Mathematics, a factor is a number or algebraic expression by which another is exactly divisible.

1 is the only number that has exactly one factor. A prime number has exactly two factors, 1 and the number itself. A composite number has more than two factors.

By definition, all prime numbers have exactly two factors. There is not a prime number that has only one factor.

The number 1 is not a prime number. A prime number has exactly two factors, 1 and the number itself. 1 is the only number having exactly one factor.

It is called a prime number

3969 satisfies those conditions.

a # that has exactly 2 factors is called a prime number, an example of a prime number is 17 because it is odd and it only has 2 factors, 17= 1 and itself

A factor is a number or algebraic expression by which another is exactly divisible. A prime number is a positive integer with two factors: one and the number itself.

A square number has an odd number of factors, but a number with an odd number of factor pairs is nothing special.

There is no prime number from one to a hundred that has more factors than any other prime number. By definition, a prime number has exactly two factors, 1 and itself. The number 1 has only one factor - itself. All prime numbers have exactly the same number of factors - two. Composite numbers have more than two factors.

Yes, by definition a factor divides a number exactly

a prime number. it will have the factors 1 and it's self. ie. x has factors 1 and xA number with only two factors is a prime number

A prime number has exactly two factors.

A factor is a number that will divide exactly into a product. ---- For example the factors of 12 are 1, 12, 2, 6, 3 & 4