Q: What are the prime factors of the number 866,214,528?

 A: 2, 3, 2255767

Why are those the prime factors of the number 866,214,528?

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 866,214,528

866,214,528
Factor Arrows
2433,107,264
Factor Arrows
2216,553,632
Factor Arrows
2108,276,816
Factor Arrows
254,138,408
Factor Arrows
227,069,204
Factor Arrows
213,534,602
Factor Arrows
26,767,301
Factor Arrows
32,255,767

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, 2255767

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 2,255,767 = 866,214,528

This can also be written as 27 x 31 x 2,255,7671 = 866,214,528

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


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