30
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.
210
2 x 3 x 5 = 30
210 is the number whose prime factors are the first four primes unrepeated.
2,3,5,7.2*3*5*7=210
2 x 3 x 5 = 30
All numbers have factors. Some factors are prime numbers, some are composite numbers. A factor that is a composite number is a composite factor.
All numbers have themselves as factors.
All numbers can be factors.
11 has no factors; it's a prime number.
All numbers have factors. Some factors are prime numbers. A prime factor is a factor that is a prime number. A common prime factor is a prime factor that appears on the list of factors of two or more given numbers.
23 x 29= 667