3, 5 and 7 have 2 factors. 81, 625 and 2401 have 5 factors.
30 and 60 They both have 2, 3 and 5 as factors.
360 and 630 are to such numbers.
Prime numbers have two factors. 2, 3 and 5 are prime numbers.
30
30 and all multiples of 30 have factors including 2, 3, and 5.
The prime factors of 60 are 2, 2, 3, and 5.The prime factors of 105 are 3, 5, and 7.The prime numbers that are factors of both 60 and 105 are 3 and 5.
All numbers have 2 factors in that they can all evenly divide by 1 and themselves. If a number has only 2 factors, then it is prime. The first 3 prime numbers are 2, 3 and 5.
2, 3, and 5 are factors of 30 and all multiples of 30.
All prime numbers have only two factors. 2, 3, 5, 7, 11
Any multiple of 30 has these factors.
30 and 60