Q: What are the prime factors of the number 431,222,103?

 A: 3, 13, 43, 28571

Why are those the prime factors of the number 431,222,103?

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 431,222,103

431,222,103
Factor Arrows
3143,740,701
Factor Arrows
347,913,567
Factor Arrows
315,971,189
Factor Arrows
131,228,553
Factor Arrows
4328,571

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:

3, 13, 43, 28571

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 13 x 43 x 28,571 = 431,222,103

This can also be written as 33 x 131 x 431 x 28,5711 = 431,222,103

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


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