Q: What are the prime factors of the number 10,621,359?

 A: 3, 7, 53, 3181

Why are those the prime factors of the number 10,621,359?

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 10,621,359

10,621,359
Factor Arrows
33,540,453
Factor Arrows
31,180,151
Factor Arrows
7168,593
Factor Arrows
533,181

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, 53, 3181

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 53 x 3,181 = 10,621,359

This can also be written as 32 x 71 x 531 x 3,1811 = 10,621,359

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


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