PRIME NUMBERS

                                                     PRIME NUMBERS


This is a prime number 43 because it is divisible by itself. Here are some more prime numbers. 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, , and more. This is not a prime number 15. Numbers that are not prime numbers are called composites. 15 is not a divisible by itself it has more than two factors that is why its a composite.  5x3 = 15  3x5= 15  15x1=15  1x15=15 it has more than 2 factors.