Q: What are the prime factors of the number 36,456?

 A: 2, 3, 7, 31

Why are those the prime factors of the number 36,456?

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 36,456

36,456
Factor Arrows
218,228
Factor Arrows
29,114
Factor Arrows
24,557
Factor Arrows
31,519
Factor Arrows
7217
Factor Arrows
731

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, 7, 31

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 7 x 31 = 36,456

This can also be written as 23 x 31 x 72 x 311 = 36,456

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


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