Q: What are the prime factors of the number 486,800?

 A: 2, 5, 1217

Why are those the prime factors of the number 486,800?

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 486,800

486,800
Factor Arrows
2243,400
Factor Arrows
2121,700
Factor Arrows
260,850
Factor Arrows
230,425
Factor Arrows
56,085
Factor Arrows
51,217

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, 1217

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 1,217 = 486,800

This can also be written as 24 x 52 x 1,2171 = 486,800

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


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