Prime numbers, raised to a power, have one more factor than their exponents. The smallest Prime number is 2. 210 has eleven factors. 210 = 1024
1024 has exactly eleven. 60 has twelve, so it has eleven as well.
It is 11 which is a prime number whose factors are itself and one
44
Well, honey, the smallest number with prime factors 3, 5, 7, and 11 is simply the product of these primes: 3 * 5 * 7 * 11 = 1155. So, there you have it, darling, 1155 is the smallest number you're looking for.
154, 308, 462
165
It is: 44
11
1024 has exactly eleven. 60 has twelve, so it has eleven as well.
1024
It is 11 which is a prime number whose factors are itself and one
165
44
Well, honey, the smallest number with prime factors 3, 5, 7, and 11 is simply the product of these primes: 3 * 5 * 7 * 11 = 1155. So, there you have it, darling, 1155 is the smallest number you're looking for.
5 and 11
154
It is 2 × 3 × 5 × 7 × 11 = 2310