Q: What are the prime factors of the number 1,245,483?

 A: 3, 163, 283

Why are those the prime factors of the number 1,245,483?

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 1,245,483

1,245,483
Factor Arrows
3415,161
Factor Arrows
3138,387
Factor Arrows
346,129
Factor Arrows
163283

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:

3, 163, 283

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 163 x 283 = 1,245,483

This can also be written as 33 x 1631 x 2831 = 1,245,483

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


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