It is actually 144
30 2*15 3*10 5*6
360,360
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
30
15
72 is the second-smallest number with 12 factors. Its divisors are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72. The smallest number with 12 factors is 60. Its divisors are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60.
The smallest common factor of 15 and 9 is 3. Factors of 15: 3, 5 Factors of 9: 3
The smallest number that is divisible by 20 and 15 is 60.
which number is the smallest? 918 15 2
30: 1, 2, 3, 5, 6, 10, 15, 30
The factors of 10 are: 1, 2, 5, and 10.The prime factors of 10 are: 2 and 5.The factors of 15 are: 1, 3, 5, and 15.The prime factors of 15 are: 3 and 5.