Q: What are the prime factors of the number 365,424?

 A: 2, 3, 23, 331

Why are those the prime factors of the number 365,424?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 365,424

365,424
Factor Arrows
2182,712
Factor Arrows
291,356
Factor Arrows
245,678
Factor Arrows
222,839
Factor Arrows
37,613
Factor Arrows
23331

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 3, 23, 331

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 23 x 331 = 365,424

This can also be written as 24 x 31 x 231 x 3311 = 365,424

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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