Q: What are the prime factors of the number 451,465,316?

 A: 2, 89, 14249

Why are those the prime factors of the number 451,465,316?

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 451,465,316

451,465,316
Factor Arrows
2225,732,658
Factor Arrows
2112,866,329
Factor Arrows
891,268,161
Factor Arrows
8914,249

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, 89, 14249

We can check our work by multiplying all of the prime factors together: 2 x 2 x 89 x 89 x 14,249 = 451,465,316

This can also be written as 22 x 892 x 14,2491 = 451,465,316

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


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