What is the sum of the GCF and LCM of 5 and 21?

To answer "What is the sum of the GCF and LCM of 5 and 21?", you need to know the GCF of 5 and 21, the LCM of 5 and 21, and the meaning of sum.

The GCF of 5 and 21 means the Greatest Common Factor of 5 and 21 which is 1. The LCM of 5 and 21 means the Least Common Multiple of 5 and 21 which is 105. Sum is the result you get when you add two numbers together.

Now that we have all the pieces, we can calculate the answer to the sum of the GCF and LCM of 5 and 21 as follows:

1 + 105 = 106

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