Q: What are the prime factors of the number 436,736?

 A: 2, 853

Why are those the prime factors of the number 436,736?

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 436,736

436,736
Factor Arrows
2218,368
Factor Arrows
2109,184
Factor Arrows
254,592
Factor Arrows
227,296
Factor Arrows
213,648
Factor Arrows
26,824
Factor Arrows
23,412
Factor Arrows
21,706
Factor Arrows
2853

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, 853

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 2 x 2 x 853 = 436,736

This can also be written as 29 x 8531 = 436,736

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


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