Q: What are the prime factors of the number 487,406,049?

 A: 3, 13, 859, 14549

Why are those the prime factors of the number 487,406,049?

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 487,406,049

487,406,049
Factor Arrows
3162,468,683
Factor Arrows
1312,497,591
Factor Arrows
85914,549

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, 13, 859, 14549

We can check our work by multiplying all of the prime factors together: 3 x 13 x 859 x 14,549 = 487,406,049

This can also be written as 31 x 131 x 8591 x 14,5491 = 487,406,049

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


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