1, 2, 3, 5, 6, 10, 15 and 30 are the factors for 30
30 has three prime factors. The prime factors are 2,3,5.
30 is the first with three distinct prime factors.
Any multiples of 30 have these three factors. Multiples of 30.
All factors: 1, 2, 3, 5, 6, 10, 15, 30.
Of the numbers from 1 to 30, only 30 has all three of those numbers as factors.
Three.
There are an infinite number of them. 8 has three prime factors, 30 is the first with three distinct prime factors.
30
30
There are an infinite number of them. 8 has three prime factors, 30 is the first with three distinct prime factors.
Sorry, only two common factors! The common factors are: 1, 3
Numbers with three factors are squares of primes. So: 4, 9, 25