522 contains 9 as one of its factor, that's why it is divisible by 9.
What is Factor?
A divisor of an integer n, also called a factor of n, is an integer m that may be multiplied by some integer to produce n.
Here given number = 522
Divisor = 9
Now, factors of 522 = 2 X 3 X 3 X 29
= 2 X 9 X 29
(factors of 522)/ 9 = (2 X 9 X 29)/9
= 2 X 29
= 58
Thus, 522 contains 9 as one of its factor, that's why it is divisible by 9.
Learn more about Factors from:
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