Multiples of 6.
The factors of 72 that are prime numbers are 2, 3, and 5. Prime numbers are numbers greater than 1 that can only be divided by 1 and themselves without leaving a remainder. In the case of 72, it can be broken down into the prime factors 2^3 * 3^2, where 2 and 3 are the prime factors.
The squares of all prime numbers above 2 have exactly 3 factors.
Prime numbers have two factors. 2, 3 and 5 are prime numbers.
Yes, the factors of 6 are 1, 2, 3, 6. 2 and 3 are prime numbers.
2 and 3 are the prime factors of 36. Of the factors of 36, 2 and 3 are the only prime numbers.
Prime numbers are 3 and 2. Factors are 1,2,3,6.
The factors of these numbers are: 1 1, 2 1, 3 1, 2, 3, 6 1, 3, 9
360 and 630 are to such numbers.
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The prime factors of 144 are 2, 2, 2, 2, 3 and 3 The prime factors of 300 are 2, 2, 3, 5 and 5 So the only prime numbers which are common to both numbers are 2, 2 and 3 = 12
42, 48 are the two numbers bigger than 40 that have 2 and 3 as their only prime factors.
3, 5 and 7 have 2 factors. 81, 625 and 2401 have 5 factors.