ailecnvelez ailecnvelez
  • 02-02-2015
  • Mathematics
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How do you know whether a number is a multiple of another number

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Pandagirl
Pandagirl Pandagirl
  • 02-02-2015
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. 
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