What's the LCM (Lowest Common Multiple) of 26 and 39?

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Answer 1 · 2017-10-10T01:02:42

#LCM=78=26xx3=39xx2#

Prime factors:

#26=13xx2#

#39 = 13xx3#

The LCM or Lowest Common Multiple, includes all the factors of both numbers.

There is a 2. There is a 3. And there is a 13 (it's listed in both prime factorizations but we only use one). And so:

#LCM=2xx3xx13=78#

#78=26xx3=39xx2#