Numbers that have 2 factors are prime numbers;
Numbers that have 4 factors are either:
* the cube of a prime; or
* the product of two different primes;
Numbers that have 8 factors are either:
* a prime to the power 7;
* the product of a prime cubed and different prime;
* the product of three different primes.
Factors don't have numbers. Numbers have factors. Numbers that have the factors 2, 4 and 8 are 8 and all of its multiples.
What two numbers have the factors 2 4 and 8
4
How about: 8 and 16
The factors of 8 are 1, 2, 4, and 8. The composite factors of 8 are 4 and 8.
Any multiple of 8 has 2, 4 and 8 as factors.
The numbers are: 8 16 and 24
Any multiple of 8.
Any multiple of 8.
8, 16 and 24
They are: 8 and 16
How about: 8 and 16