Q: What are the prime factors of the number 494,700?

 A: 2, 3, 5, 17, 97

Why are those the prime factors of the number 494,700?

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 494,700

494,700
Factor Arrows
2247,350
Factor Arrows
2123,675
Factor Arrows
341,225
Factor Arrows
58,245
Factor Arrows
51,649
Factor Arrows
1797

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, 5, 17, 97

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5 x 17 x 97 = 494,700

This can also be written as 22 x 31 x 52 x 171 x 971 = 494,700

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


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