Q: What are the prime factors of the number 10,508,694?

 A: 2, 3, 7, 151, 1657

Why are those the prime factors of the number 10,508,694?

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 10,508,694

10,508,694
Factor Arrows
25,254,347
Factor Arrows
31,751,449
Factor Arrows
7250,207
Factor Arrows
1511,657

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, 151, 1657

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 151 x 1,657 = 10,508,694

This can also be written as 21 x 31 x 71 x 1511 x 1,6571 = 10,508,694

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


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