Q: What are the prime factors of the number 422,662,352?

 A: 2, 7, 23, 47, 3491

Why are those the prime factors of the number 422,662,352?

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 422,662,352

422,662,352
Factor Arrows
2211,331,176
Factor Arrows
2105,665,588
Factor Arrows
252,832,794
Factor Arrows
226,416,397
Factor Arrows
73,773,771
Factor Arrows
23164,077
Factor Arrows
473,491

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, 7, 23, 47, 3491

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 23 x 47 x 3,491 = 422,662,352

This can also be written as 24 x 71 x 231 x 471 x 3,4911 = 422,662,352

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


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