Answer
The number 7245 is divisible by: 3, 5, and 9.
It is not divisible by: 2, 4, 6, 8, 10, or 12.
Work Step by Step
The number 7245 is divisble by:
a. 2 --No, it is not an even number.
b. 3 --Yes. The sum of its digits (7 + 2 + 4 + 5 = 18) is divisible by 3.
c. 4 --No. The last 2 digits (45) make a number that is not divisible by 4.
d. 5 --Yes. Its ones digit is a 0 or a 5.
e. 6 --No. The number is not divisible by both 2 and 3.
f. 8 --No, the last three digits (245) make a number that is not divisible by 8.
g. 9 --Yes. The sum of its digits (18) is divisible by 9.
h. 10 --No. Its ones digit is not a zero.
i. 12 --No. It is not divisible by both 3 and 4.
