Q: What are the prime factors of the number 5,591,430?

 A: 2, 3, 5, 13, 59

Why are those the prime factors of the number 5,591,430?

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 5,591,430

5,591,430
Factor Arrows
22,795,715
Factor Arrows
3931,905
Factor Arrows
3310,635
Factor Arrows
3103,545
Factor Arrows
334,515
Factor Arrows
311,505
Factor Arrows
33,835
Factor Arrows
5767
Factor Arrows
1359

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, 5, 13, 59

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 5 x 13 x 59 = 5,591,430

This can also be written as 21 x 36 x 51 x 131 x 591 = 5,591,430

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


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