Q: What are the prime factors of the number 493,812?

 A: 2, 3, 11, 29, 43

Why are those the prime factors of the number 493,812?

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 493,812

493,812
Factor Arrows
2246,906
Factor Arrows
2123,453
Factor Arrows
341,151
Factor Arrows
313,717
Factor Arrows
111,247
Factor Arrows
2943

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, 11, 29, 43

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 11 x 29 x 43 = 493,812

This can also be written as 22 x 32 x 111 x 291 x 431 = 493,812

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


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