Q: What are the prime factors of the number 403,011,434?

 A: 2, 7, 29, 107, 9277

Why are those the prime factors of the number 403,011,434?

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 403,011,434

403,011,434
Factor Arrows
2201,505,717
Factor Arrows
728,786,531
Factor Arrows
29992,639
Factor Arrows
1079,277

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, 29, 107, 9277

We can check our work by multiplying all of the prime factors together: 2 x 7 x 29 x 107 x 9,277 = 403,011,434

This can also be written as 21 x 71 x 291 x 1071 x 9,2771 = 403,011,434

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


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