Q: What are the prime factors of the number 735,456?

 A: 2, 3, 47, 163

Why are those the prime factors of the number 735,456?

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 735,456

735,456
Factor Arrows
2367,728
Factor Arrows
2183,864
Factor Arrows
291,932
Factor Arrows
245,966
Factor Arrows
222,983
Factor Arrows
37,661
Factor Arrows
47163

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, 47, 163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 47 x 163 = 735,456

This can also be written as 25 x 31 x 471 x 1631 = 735,456

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


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