Is 51 a prime or a composite

Mathematics · High School · Wed Jan 13 2021

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Determine if 51 is prime or composite.

Explanation:

Prime numbers are categorized as numbers that only have 2 factors, namely the number itself and 1, whereas composite numbers are numbers that have more than 2 factors. In order to determine whether 51 is prime or composite, we simply must list all the possible factors of 51.

Factors of 51: 

1, 3, 17, and 51

It can be seen that 51 has more than 2 factors therefore it is a composite number.

Final answer:

Composite