Q: What are the prime factors of the number 449,771?

 A: 7, 67, 137

Why are those the prime factors of the number 449,771?

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 449,771

449,771
Factor Arrows
764,253
Factor Arrows
79,179
Factor Arrows
67137

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:

7, 67, 137

We can check our work by multiplying all of the prime factors together: 7 x 7 x 67 x 137 = 449,771

This can also be written as 72 x 671 x 1371 = 449,771

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


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