The least common multiple of two numbers is the product of the two numbers divided by their greatest common factor. The greatest common factor of 5 and 23 is 1. (See related question "What is the greatest common factor of 5 and 23?" for this calculation.) So, the least common multiple is 5 x 23 ÷ 1 = 115.
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The least common multiple of 3 , 2 , 5 = 30
The least common multiple of 2 , 5 , 9 = 90
least common multiple of 14 6 and 5 is 210.
The least common multiple of the numbers 2, 5 and 15 is 30.
The least common multiple (LCM) of 3, 5, and 9 is 45.