Q: What are the prime factors of the number 723,450,453?

 A: 3, 11, 17, 41, 71, 443

Why are those the prime factors of the number 723,450,453?

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 723,450,453

723,450,453
Factor Arrows
3241,150,151
Factor Arrows
1121,922,741
Factor Arrows
171,289,573
Factor Arrows
4131,453
Factor Arrows
71443

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, 11, 17, 41, 71, 443

We can check our work by multiplying all of the prime factors together: 3 x 11 x 17 x 41 x 71 x 443 = 723,450,453

This can also be written as 31 x 111 x 171 x 411 x 711 x 4431 = 723,450,453

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


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