Q: What are the prime factors of the number 351,584?

 A: 2, 10987

Why are those the prime factors of the number 351,584?

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 351,584

351,584
Factor Arrows
2175,792
Factor Arrows
287,896
Factor Arrows
243,948
Factor Arrows
221,974
Factor Arrows
210,987

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, 10987

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 10,987 = 351,584

This can also be written as 25 x 10,9871 = 351,584

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


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