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disa [49]
3 years ago
11

Least common multiple 84 , 36, and 15

Mathematics
1 answer:
ollegr [7]3 years ago
4 0

Answer:

1260

Step-by-step explanation:

The least common multiple is the smallest positive number which is a multiple of the two. This means 84, 36, and 15 divide into it evenly. To find the multiple:

  1. We list the prime factors of each number.
  2. We note how many times each occurs.
  3. We multiply each factor the greatest number of times it occurs in a number.

84: 2*2*3*7

36: 2*2*3*3

15: 3*5

LCM: 2*2*3*3*5*7= 1260

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