Q: What are the prime factors of the number 548,170,700?

 A: 2, 5, 7, 11, 71191

Why are those the prime factors of the number 548,170,700?

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 548,170,700

548,170,700
Factor Arrows
2274,085,350
Factor Arrows
2137,042,675
Factor Arrows
527,408,535
Factor Arrows
55,481,707
Factor Arrows
7783,101
Factor Arrows
1171,191

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, 5, 7, 11, 71191

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 7 x 11 x 71,191 = 548,170,700

This can also be written as 22 x 52 x 71 x 111 x 71,1911 = 548,170,700

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


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