# What are the prime numbers divisible by 3?

The only prime number divisible by three is three itself.

### What are the prime?

If your talking about prime numbers, prime numbers are numbers that are only divisible by one and themselves. Composite numbers are numbers divisible by more than one and itself. Like 3 is prime because it is only divisible by 1 and itself. 6 is composite because it is divisible by 1,2,3, and itself.

### What are all the prime numbers with 1 in the units place?

All of them??? There are probably infinitely many. Here are the first few numbers with 1 in the units place: 1: Not usually considered a prime number. 11: Prime 21: Not prime (divisible by 3) 31: Prime 41: Prime 51: Divisible by 3 61: Prime 71: Prime 81: Divisible by 3 91: Divisible by 7 101: Prime ...

### What is the term prime and prime numbers in math?

A prime, or prime number, is a number greater than 1, whose only factors are 1 and itself. For example, the first few prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, ... (note: the set of prime numbers is infinite). As you can see, all prime numbers except 2 are odd. Further examples: 9 is not a prime number, since it is divisible by 3. 15 is not a…

### What are Prime numders?

Prime numbers are whole numbers that are not divisible by anything but one and itself. Examples of prime numbers include 1;2;3;5;7;9... etc. Prime numbers must always be odd (except for 2) but not all odd numbers are prime. For example, 21 is odd, but it is divisible by 3 and 7. Therefore, it is not prime.