Q: What are the prime factors of the number 862,480?

 A: 2, 5, 10781

Why are those the prime factors of the number 862,480?

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 862,480

862,480
Factor Arrows
2431,240
Factor Arrows
2215,620
Factor Arrows
2107,810
Factor Arrows
253,905
Factor Arrows
510,781

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, 10781

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 10,781 = 862,480

This can also be written as 24 x 51 x 10,7811 = 862,480

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


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