Q: What are the prime factors of the number 1,457,433?

 A: 3, 19, 947

Why are those the prime factors of the number 1,457,433?

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 1,457,433

1,457,433
Factor Arrows
3485,811
Factor Arrows
3161,937
Factor Arrows
353,979
Factor Arrows
317,993
Factor Arrows
19947

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, 19, 947

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 19 x 947 = 1,457,433

This can also be written as 34 x 191 x 9471 = 1,457,433

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


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