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, it is also divisible by 1, 2, 3, 4, 6, 9, 12, 18, 24, 36, 72.
Yes, 9 x 8 = 72
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
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.
The factors of 72 are: 36, 2, 24, 3, 18, 4, 12, 6, 9, and 8.