Q: What are the prime factors of the number 424,494?

 A: 2, 3, 7, 1123

Why are those the prime factors of the number 424,494?

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 424,494

424,494
Factor Arrows
2212,247
Factor Arrows
370,749
Factor Arrows
323,583
Factor Arrows
37,861
Factor Arrows
71,123

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, 3, 7, 1123

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 7 x 1,123 = 424,494

This can also be written as 21 x 33 x 71 x 1,1231 = 424,494

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


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