Q: What are the prime factors of the number 766,480?

 A: 2, 5, 11, 13, 67

Why are those the prime factors of the number 766,480?

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 766,480

766,480
Factor Arrows
2383,240
Factor Arrows
2191,620
Factor Arrows
295,810
Factor Arrows
247,905
Factor Arrows
59,581
Factor Arrows
11871
Factor Arrows
1367

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, 5, 11, 13, 67

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 11 x 13 x 67 = 766,480

This can also be written as 24 x 51 x 111 x 131 x 671 = 766,480

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


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