Q: What are the prime factors of the number 10,137,708?

 A: 2, 3, 7, 821

Why are those the prime factors of the number 10,137,708?

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 10,137,708

10,137,708
Factor Arrows
25,068,854
Factor Arrows
22,534,427
Factor Arrows
3844,809
Factor Arrows
3281,603
Factor Arrows
740,229
Factor Arrows
75,747
Factor Arrows
7821

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, 7, 821

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 7 x 7 x 821 = 10,137,708

This can also be written as 22 x 32 x 73 x 8211 = 10,137,708

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


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