3 years ago

What is the LCM of 21 and 105

Mathematics

2 answers:

astraxan [27]3 years ago

6 0

the LCM of 21 and 105 is 105.

adoni [48]3 years ago

5 0

Answer:

The answer to your question is 105

Step-by-step explanation:

To get the least common factor dividing both numbers by the prime numbers starting from 2.

But these numbers are not multiples of 2, try 3

21 105 3

These numbers are not multiples of 3 let's try 5

7 35 5

These numbers are multiples of 7 7 7 7

1 1

The LCM is the product of the prime numbers = 3 x 5 x 7 = 105

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