Q: What are the prime factors of the number 10,655,406?

 A: 2, 3, 509, 1163

Why are those the prime factors of the number 10,655,406?

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 10,655,406

10,655,406
Factor Arrows
25,327,703
Factor Arrows
31,775,901
Factor Arrows
3591,967
Factor Arrows
5091,163

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, 509, 1163

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 509 x 1,163 = 10,655,406

This can also be written as 21 x 32 x 5091 x 1,1631 = 10,655,406

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


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