Q: What are the prime factors of the number 431,122,104?

 A: 2, 3, 7, 855401

Why are those the prime factors of the number 431,122,104?

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 431,122,104

431,122,104
Factor Arrows
2215,561,052
Factor Arrows
2107,780,526
Factor Arrows
253,890,263
Factor Arrows
317,963,421
Factor Arrows
35,987,807
Factor Arrows
7855,401

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, 3, 7, 855401

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 7 x 855,401 = 431,122,104

This can also be written as 23 x 32 x 71 x 855,4011 = 431,122,104

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


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