Q: What are the prime factors of the number 636,352?

 A: 2, 61, 163

Why are those the prime factors of the number 636,352?

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 636,352

636,352
Factor Arrows
2318,176
Factor Arrows
2159,088
Factor Arrows
279,544
Factor Arrows
239,772
Factor Arrows
219,886
Factor Arrows
29,943
Factor Arrows
61163

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, 61, 163

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 61 x 163 = 636,352

This can also be written as 26 x 611 x 1631 = 636,352

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


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