Q: What are the prime factors of the number 866,214,525?

 A: 3, 5, 11, 67, 15671

Why are those the prime factors of the number 866,214,525?

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 866,214,525

866,214,525
Factor Arrows
3288,738,175
Factor Arrows
557,747,635
Factor Arrows
511,549,527
Factor Arrows
111,049,957
Factor Arrows
6715,671

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:

3, 5, 11, 67, 15671

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 11 x 67 x 15,671 = 866,214,525

This can also be written as 31 x 52 x 111 x 671 x 15,6711 = 866,214,525

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


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