smjanogpbablj smjanogpbablj
  • 03-07-2018
  • Mathematics
contestada

what is the lcm of 15 25 9 8.

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iuliaelisa15
iuliaelisa15 iuliaelisa15
  • 03-07-2018
Hi !

So,here we have to calculate the least common multiple of the numbers 15,25,9,8.

We have to break down every number as a prime number product:
15 = 3·525 = 5² 9  = 3² 8  = 2³

Then,we have to select common and uncommon numbers at the highest power so:

lcm : 2³·3²·5² = 8·9·25 = 1800





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