81
The least common multiple of 6 , 9 , 8 = 72
1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144
6 dozens = 72 so 72 divided by 9 equals 8. answer:8
Oh, what a delightful little puzzle we have here! To find a four-digit number that is divisible by both 8 and 9, we can look for a number that is divisible by their least common multiple, which is 72. So, let's find a multiple of 72 that is a four-digit number, like 1008. Such a harmonious number, don't you think?
72 is divisible by 8 and 1, 2, 3, 4, 6, 9, 12, 18, 24, 36, 72.
How about: 72
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72.
Yes, 9 x 8 = 72
Yes, it is also divisible by 1, 2, 3, 4, 6, 9, 12, 18, 24, 36, 72.
A number that is divisible by both 8 and 9 must be a multiple of the least common multiple of 8 and 9, which is 72. Therefore, any number that is a multiple of 72 will be divisible by both 8 and 9. Examples of such numbers include 72, 144, 216, and so on.
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
72
The LCM is: 72lcm(9, 8, 6) = 72
72
The factors of 72 are: 36, 2, 24, 3, 18, 4, 12, 6, 9, and 8.