Q: What are the prime factors of the number 10,143,441?

 A: 3, 7, 11, 17, 41

Why are those the prime factors of the number 10,143,441?

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 10,143,441

10,143,441
Factor Arrows
33,381,147
Factor Arrows
31,127,049
Factor Arrows
3375,683
Factor Arrows
753,669
Factor Arrows
77,667
Factor Arrows
11697
Factor Arrows
1741

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, 11, 17, 41

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 7 x 11 x 17 x 41 = 10,143,441

This can also be written as 33 x 72 x 111 x 171 x 411 = 10,143,441

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


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