Saved Bookmarks
| 1. |
Determine if 17250 is divisible by 15. (Hint: 3 and 5 are co-prime numbers. Test the divisibility of the number by 3 and 5) |
|
Answer» The prime FACTORIZATION of 45 = 5 X 925110 is DIVISIBLE by 5 as 0 is at its unit place25110 is divisible by 9 as sum of digits is divisible by 9.Therefore, the number MUST be divisible by 5 x 9 =45 |
|