Q: What are the prime factors of the number 106,163,180?

 A: 2, 5, 61, 173, 503

Why are those the prime factors of the number 106,163,180?

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 106,163,180

106,163,180
Factor Arrows
253,081,590
Factor Arrows
226,540,795
Factor Arrows
55,308,159
Factor Arrows
6187,019
Factor Arrows
173503

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, 61, 173, 503

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 61 x 173 x 503 = 106,163,180

This can also be written as 22 x 51 x 611 x 1731 x 5031 = 106,163,180

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


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