Q: What are the prime factors of the number 704,880?

 A: 2, 3, 5, 11, 89

Why are those the prime factors of the number 704,880?

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 704,880

704,880
Factor Arrows
2352,440
Factor Arrows
2176,220
Factor Arrows
288,110
Factor Arrows
244,055
Factor Arrows
314,685
Factor Arrows
34,895
Factor Arrows
5979
Factor Arrows
1189

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, 11, 89

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 5 x 11 x 89 = 704,880

This can also be written as 24 x 32 x 51 x 111 x 891 = 704,880

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


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