2 x 3 x 5 = 30
It can. Square numbers have repeated factors.
Square numbers have repeated factors. 6 x 6 = 36
30
210
There is no such number. Since there are infinitely many prime numbers, the only number that can be divided by all of them is zero. But that can also be divided by numbers with repeated factors.
2 x 3 x 5 = 30
18 has square factors, but no repeated ones.
The repeated factor of 102 is 10.
210 is the number whose prime factors are the first four primes unrepeated.
Yes. Factors are just numbers. All numbers have factors.
The factors of three are both odd numbers.
A common factor refers to a factor that is COMMON to two or more numbers. You have mentioned no numbers in the question!