How do you write the least common multiple of 10, 20, and 2?

1 Answer
sjc
Feb 9, 2017

LCM(2,10,20)=20

Explanation:

"multiples of "2:{2,4,6,8,10,12,14,16,18,20,22,24,26,...}

"multiples of "10:{10,20,30,40,...}

"multiples of "20:{20,40,60,...}

"common multiples: "{20,40,60,...}

LCM(2,10,20)=20

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