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# What is the mathimatical name for a number which only has 2 factors?

Updated: 8/17/2019

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Q: What is the mathimatical name for a number which only has 2 factors?
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### What is the name for a whole number that has exactly 2 factors?

Prime. The only factors of a prime number are 1 and the number.

### What is a name for a whole number that has exactly 2 factors?

You are probably referring to a 'prime' number which has only the number 1 and itself as factors.

### Is 17 a composite number or prime name all the factors?

17 is prime. Its only factors are 1 and itself.

### What is it called when a number only has two factors?

A number that has only two factors is called a prime. The only factors of a prime are 1 and the number itself.

### What is the only number that has 2 factors?

The only number that has 2 factors is the number 2.

### What is the difference between factors of a number and factors of a prime number?

Well, the factors of a prime number is that they only have two factors.

### What even number that have only have two factors?

2 is an even number with only 2 factors.

### What prime number has only 2 factors?

All prime numbers have only 2 factors. A prime number has 1 and itself as its only factors.

### What is a prime question?

a prime number is a number that has only to factors like the number 17 it only has the factors of 1 &amp; 17

### A number with only two factors 1 and itself?

A number with only two factors, 1 and itself, is a prime number.

### What is a whole number with only two factors - one and itself?

A prime number has only two factors - 1 and itself.this is called a prime number. any number that has the only only two factors of one and itself is prime.

### What even number has only 2 factors?

2 is the only positive even number with only 2 positive integer factors. (1 and 2 are the factors. )