Q: What are the prime factors of the number 431,754,648?

 A: 2, 3, 13, 1383829

Why are those the prime factors of the number 431,754,648?

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 431,754,648

431,754,648
Factor Arrows
2215,877,324
Factor Arrows
2107,938,662
Factor Arrows
253,969,331
Factor Arrows
317,989,777
Factor Arrows
131,383,829

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, 13, 1383829

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 13 x 1,383,829 = 431,754,648

This can also be written as 23 x 31 x 131 x 1,383,8291 = 431,754,648

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


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