These are the prime numbers as, by definition, a Prime number is only divisible by itself and 1. A prime number thus has only two factors.
2, 3 ,5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97.
Chat with our AI personalities
it's probably 60 that has 12 factors
They are the numbers that have more than two factors whereas prime numbers have only two factors
They are all the prime numbers from 2 to 97 that have only two factors
In that range, only 100 has exactly 9 factors.
30, 42, 66, 70 and 78.