Q: What are the prime factors of the number 943,407?

 A: 3, 19, 613

Why are those the prime factors of the number 943,407?

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 943,407

943,407
Factor Arrows
3314,469
Factor Arrows
3104,823
Factor Arrows
334,941
Factor Arrows
311,647
Factor Arrows
19613

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, 613

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 19 x 613 = 943,407

This can also be written as 34 x 191 x 6131 = 943,407

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


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