Q: What are the prime factors of the number 13,295,880?

 A: 2, 3, 5, 13, 947

Why are those the prime factors of the number 13,295,880?

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 13,295,880

13,295,880
Factor Arrows
26,647,940
Factor Arrows
23,323,970
Factor Arrows
21,661,985
Factor Arrows
3553,995
Factor Arrows
3184,665
Factor Arrows
361,555
Factor Arrows
512,311
Factor Arrows
13947

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, 947

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 5 x 13 x 947 = 13,295,880

This can also be written as 23 x 33 x 51 x 131 x 9471 = 13,295,880

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


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