sueleechong sueleechong

12-09-2017
Mathematics

contestada

What is the least common multiple for 9, 12, 15

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geliarmenta geliarmenta

12-09-2017

The LCM of 9,12, and 15 is 180!

Answer Link

kphung76127 kphung76127

12-09-2017

9= 3*3
12= 2*2*3
15= 3*5

The lcm equals the product of the prime factorizations, excluding values that are repeated throughout all 3 numbers. Only count those once.
LCM: 2*2*3*3*5= 180

Final answer: 180

Answer Link

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