Q: What are the prime factors of the number 3,227,445?

 A: 3, 5, 13, 613

Why are those the prime factors of the number 3,227,445?

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 3,227,445

3,227,445
Factor Arrows
31,075,815
Factor Arrows
3358,605
Factor Arrows
3119,535
Factor Arrows
339,845
Factor Arrows
57,969
Factor Arrows
13613

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, 5, 13, 613

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 5 x 13 x 613 = 3,227,445

This can also be written as 34 x 51 x 131 x 6131 = 3,227,445

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


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