All numbers have factors. Some numbers have only two factors, the number one and the number itself. These are known as prime numbers.
7 has two factors: 1 and 7. 7 is a Prime number.
Chat with our AI personalities
141
3 is a prime number. Any number that only has itself and one as factors is a prime number. Therefore, since there are no factors of 3 other than one and itself it is a prime number.
3 is a prime.
3 is a prime number. 13 is a prime number. 3 x 13 cannot be prime.
The number 3 is a prime number because 1 and 3 is its only factors. A prime number has only two factors, in this case 1 and 3 are the factors. 17,11,7 and 13 are examples of prime numbers.