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17 November, 05:25

If a number is divisible by 3 and 5 then it is divisible by 15

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Answers (2)
  1. 17 November, 05:38
    0
    Yes!

    Step-by-step explanation:

    Besides 15 and one, 3 and 5 are the greatest common factors of 15. Those numbers are therefore divisible by any product of 15.

    Example:

    45

    45/3 = 15

    45/5 = 9

    45/15 = 3
  2. 17 November, 05:42
    0
    Yes it is

    Step-by-step explanation:

    Since the multiplication of 3 and 5 will give 15

    I. e 3 * 5 = 15

    Then any number that can be divided by 3 and 5, can also be divided by 15.
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