How do you know whether a number is a multiple of another number

Question

Taylor Henry

Mathematics

27 May, 11:12

How do you know whether a number is a multiple of another number

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Jakob Hubbard · Answer 1

You would know when one number is also a multiple when the other number is a factor of it as well. For example when we see a prime number like 2, there are no factors for this number so it is just a multiple of 1 and 2.

However for numbers like 15 and 25.

We would know (if you have your times tables memorized) that 15 is a multiple of 1,3, and 5 and 15. 25 is a multiple of 1, 5, and 25.