Q: What are the prime factors of the number 11,207,847?

 A: 3, 7, 71, 7517

Why are those the prime factors of the number 11,207,847?

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 11,207,847

11,207,847
Factor Arrows
33,735,949
Factor Arrows
7533,707
Factor Arrows
717,517

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, 7, 71, 7517

We can check our work by multiplying all of the prime factors together: 3 x 7 x 71 x 7,517 = 11,207,847

This can also be written as 31 x 71 x 711 x 7,5171 = 11,207,847

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


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