Q: What are the prime factors of the number 454,042,225?

 A: 5, 7, 13, 109, 1831

Why are those the prime factors of the number 454,042,225?

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 454,042,225

454,042,225
Factor Arrows
590,808,445
Factor Arrows
518,161,689
Factor Arrows
72,594,527
Factor Arrows
13199,579
Factor Arrows
1091,831

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:

5, 7, 13, 109, 1831

We can check our work by multiplying all of the prime factors together: 5 x 5 x 7 x 13 x 109 x 1,831 = 454,042,225

This can also be written as 52 x 71 x 131 x 1091 x 1,8311 = 454,042,225

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


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