Q: What are the prime factors of the number 16,827,930?

 A: 2, 3, 5, 7, 26711

Why are those the prime factors of the number 16,827,930?

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 16,827,930

16,827,930
Factor Arrows
28,413,965
Factor Arrows
32,804,655
Factor Arrows
3934,885
Factor Arrows
5186,977
Factor Arrows
726,711

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, 5, 7, 26711

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 7 x 26,711 = 16,827,930

This can also be written as 21 x 32 x 51 x 71 x 26,7111 = 16,827,930

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


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