10. Determine if 25110 is divisible by 45.
(Hint: 5 and 9 are co-prime numbers. Test the divisibility of the number by 5 and 9
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5 and 9 are co-prime numbers. so we will test the divisibility of the number by 5 and 9. Therefore, 5 and 9 are co-prime numbers. Since the last digit of 25110 is 0
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