CFkids3 CFkids3
  • 25-09-2018
  • Mathematics
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The sum of all factors of 15 is the 3rd multiple of a number. What is the number?

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sameedfarooqui6
sameedfarooqui6 sameedfarooqui6
  • 25-09-2018

The number is 8

The factors of 15 add up to 24, and 8x3=24 because it is its 3rd multiple

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