What is the LCM and GCF of 16 and 80?

The question "What is the LCM and GCF of 16 and 80?" can be split into two questions: "What is the LCM of 16 and 80?" and "What is the GCF of 16 and 80?"

In the question "What is the LCM and GCF of 16 and 80?", LCM is the abbreviation of Least Common Multiple and GCF is the abbreviation of Greatest Common Factor.

To find the LCM, we first list the multiples of 16 and 80 and then we find the smallest multiple they have in common. To find the multiples of any number, you simply multiply the number by 1, then by 2, then by 3 and so on. Here is the beginning list of multiples of 16 and 80:

Multiples of 16: 16, 32, 48, 64, 80, 96, etc.

Multiples of 80: 80, 160, 240, 320, 400, 480, etc.

The least multiple on the two lists that they have in common is the LCM of 16 and 80. Therefore, the LCM of 16 and 80 is 80.

To find the GCF, we first list the factors of 16 and 80 and then we find the largest factor they have in common. The factors of any number, are all the numbers that you can evenly divide into that number.

In other words, the factors of 16 are all the numbers that can evenly divide into 16, and the factors of 80 are all the numbers that can evenly divide into 80. Here are the factors for 16 and 80:

Factors of 16: 1, 2, 4, 8, and 16.

Factors of 80: 1, 2, 4, 5, 8, 10, 16, 20, 40, and 80.

The greatest factor on the two lists that they have in common is the GCF of 16 and 80. Therefore, the GCF of 16 and 80 is 16.

In summary, the answer to the question "What is the LCM and GCF of 16 and 80?" is 80 and 16.

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