90, 180, 270, 360, 450, 540, 630 +90 . . .
The greatest common multiple of 10 and 18 is infinite.However, I suspect you want either:the greatest common factor of 10 and 18 which is the largest number which divides both 10 and 18 and is 2; orthe lowest common multiple of 10 and 18 which is smallest number into which both 10 and 18 divide (ie the smallest number which is a multiple of both 10 and 18) and is 90
195/18 = 10-15/18 = 10-5/6
10:18 or 5:9 (simplified)
90, 180, 270, 360, 450, 540, 630, 720 +90 . . .
10 and 11/18
18
18
number of times 18 can go into 77 = 477 ÷ 18 = 4.277...
The number 10 can be the product of 2 and 5, 1 and 10. This means that 10 has 4 factors. :]
He used to be number 18, but now he is number 10.
The number is 180.
10^18 is one quintillion.