Q: What are the prime factors of the number 355,536?

 A: 2, 3, 823

Why are those the prime factors of the number 355,536?

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 355,536

355,536
Factor Arrows
2177,768
Factor Arrows
288,884
Factor Arrows
244,442
Factor Arrows
222,221
Factor Arrows
37,407
Factor Arrows
32,469
Factor Arrows
3823

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, 823

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 823 = 355,536

This can also be written as 24 x 33 x 8231 = 355,536

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


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