Q: What are the prime factors of the number 11,270,672?

 A: 2, 7, 103, 977

Why are those the prime factors of the number 11,270,672?

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 11,270,672

11,270,672
Factor Arrows
25,635,336
Factor Arrows
22,817,668
Factor Arrows
21,408,834
Factor Arrows
2704,417
Factor Arrows
7100,631
Factor Arrows
103977

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, 7, 103, 977

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 103 x 977 = 11,270,672

This can also be written as 24 x 71 x 1031 x 9771 = 11,270,672

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


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