jannielove23
jannielove23 jannielove23
  • 01-03-2017
  • Mathematics
contestada

Which number between 20 and 29 has 2 and 3 in its prime factorization

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emilyer
emilyer emilyer
  • 01-03-2017
If it has 2 and 3 in its factorization then it will be a multiple of 6.

24 is the only number between 20 and 29 that is a multiple of 6.

The long way would be to:
List the multiples of 2:
22, 24, 26, 28
List the multiples of 3:
21, 24, 27

The one that is both is 24.
Answer Link

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