Q: What are the prime factors of the number 426,555,536?

 A: 2, 11, 31, 37, 2113

Why are those the prime factors of the number 426,555,536?

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 426,555,536

426,555,536
Factor Arrows
2213,277,768
Factor Arrows
2106,638,884
Factor Arrows
253,319,442
Factor Arrows
226,659,721
Factor Arrows
112,423,611
Factor Arrows
3178,181
Factor Arrows
372,113

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, 11, 31, 37, 2113

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 11 x 31 x 37 x 2,113 = 426,555,536

This can also be written as 24 x 111 x 311 x 371 x 2,1131 = 426,555,536

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


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