Q: What are the prime factors of the number 537,648?

 A: 2, 3, 23, 487

Why are those the prime factors of the number 537,648?

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 537,648

537,648
Factor Arrows
2268,824
Factor Arrows
2134,412
Factor Arrows
267,206
Factor Arrows
233,603
Factor Arrows
311,201
Factor Arrows
23487

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, 487

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 487 = 537,648

This can also be written as 24 x 31 x 231 x 4871 = 537,648

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


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