Q: What are the prime factors of the number 536,256?

 A: 2, 3, 7, 19

Why are those the prime factors of the number 536,256?

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 536,256

536,256
Factor Arrows
2268,128
Factor Arrows
2134,064
Factor Arrows
267,032
Factor Arrows
233,516
Factor Arrows
216,758
Factor Arrows
28,379
Factor Arrows
32,793
Factor Arrows
3931
Factor Arrows
7133
Factor Arrows
719

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, 19

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 3 x 3 x 7 x 7 x 19 = 536,256

This can also be written as 26 x 32 x 72 x 191 = 536,256

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


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