Q: What are the prime factors of the number 14,324,121?

 A: 3, 7, 401

Why are those the prime factors of the number 14,324,121?

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 14,324,121

14,324,121
Factor Arrows
34,774,707
Factor Arrows
31,591,569
Factor Arrows
3530,523
Factor Arrows
3176,841
Factor Arrows
358,947
Factor Arrows
319,649
Factor Arrows
72,807
Factor Arrows
7401

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, 401

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 7 x 7 x 401 = 14,324,121

This can also be written as 36 x 72 x 4011 = 14,324,121

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


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