Q: What are the prime factors of the number 4,224,456?

 A: 2, 3, 23, 2551

Why are those the prime factors of the number 4,224,456?

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 4,224,456

4,224,456
Factor Arrows
22,112,228
Factor Arrows
21,056,114
Factor Arrows
2528,057
Factor Arrows
3176,019
Factor Arrows
358,673
Factor Arrows
232,551

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, 23, 2551

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 23 x 2,551 = 4,224,456

This can also be written as 23 x 32 x 231 x 2,5511 = 4,224,456

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


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