What are the prime numbers in number line?

Prime numbers are numbers that are only divisible by 2 numbers (one and themselves), for example 13, 17 etc.

All numbers that only have one and itself as factors are prime. Therefore, to tell if a number is prime simply find it's factors. If it has more than two factors than it is not a prime number.

Because it can only be divided by itself and 1 (the prime)

A prime number times a prime number is a composite number. Since prime numbers, except for 2, are odd numbers, a prime number times a prime number is usually an odd number. It will only be an even...

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