Q: What are the prime factors of the number 535,424?

 A: 2, 47, 89

Why are those the prime factors of the number 535,424?

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 535,424

535,424
Factor Arrows
2267,712
Factor Arrows
2133,856
Factor Arrows
266,928
Factor Arrows
233,464
Factor Arrows
216,732
Factor Arrows
28,366
Factor Arrows
24,183
Factor Arrows
4789

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, 47, 89

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 47 x 89 = 535,424

This can also be written as 27 x 471 x 891 = 535,424

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


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