Q: What are the prime factors of the number 565,136?

 A: 2, 11, 13, 19

Why are those the prime factors of the number 565,136?

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 565,136

565,136
Factor Arrows
2282,568
Factor Arrows
2141,284
Factor Arrows
270,642
Factor Arrows
235,321
Factor Arrows
113,211
Factor Arrows
13247
Factor Arrows
1319

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, 11, 13, 19

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 11 x 13 x 13 x 19 = 565,136

This can also be written as 24 x 111 x 132 x 191 = 565,136

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


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