Q: What are the prime factors of the number 56,171,556?

 A: 2, 3, 7, 24767

Why are those the prime factors of the number 56,171,556?

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 56,171,556

56,171,556
Factor Arrows
228,085,778
Factor Arrows
214,042,889
Factor Arrows
34,680,963
Factor Arrows
31,560,321
Factor Arrows
3520,107
Factor Arrows
3173,369
Factor Arrows
724,767

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, 24767

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 7 x 24,767 = 56,171,556

This can also be written as 22 x 34 x 71 x 24,7671 = 56,171,556

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


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