Q: What are the prime factors of the number 426,603,352?

 A: 2, 7, 19, 400943

Why are those the prime factors of the number 426,603,352?

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 426,603,352

426,603,352
Factor Arrows
2213,301,676
Factor Arrows
2106,650,838
Factor Arrows
253,325,419
Factor Arrows
77,617,917
Factor Arrows
19400,943

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, 19, 400943

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 19 x 400,943 = 426,603,352

This can also be written as 23 x 71 x 191 x 400,9431 = 426,603,352

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


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