The smallest number with 16 factors is Andrew's Mom.
The smallest number with three different prime factors is 30.
240 is the smallest number with at least 19 factors. 240 has twenty factors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240 262144 is the smallest number with EXACTLY 19 factors
The smallest prime factors are 2,3,5,7 thus the smallest number would be the product of these will be 210
240 is the smallest number with twenty factors.
24
72
The smallest number with exactly eight factors is 24.
24
8, 2*2*2
The smallest number with 16 factors is Andrew's Mom.
The smallest number with three different prime factors is 30.
240 is the smallest number with at least 19 factors. 240 has twenty factors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240 262144 is the smallest number with EXACTLY 19 factors
The smallest prime factors are 2,3,5,7 thus the smallest number would be the product of these will be 210
11
64 (1, 2, 4, 8, 16, 32, 64)
240 is the smallest number with twenty factors.