Q: What are the prime factors of the number 14,223,438?

 A: 2, 3, 19, 4621

Why are those the prime factors of the number 14,223,438?

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 14,223,438

14,223,438
Factor Arrows
27,111,719
Factor Arrows
32,370,573
Factor Arrows
3790,191
Factor Arrows
3263,397
Factor Arrows
387,799
Factor Arrows
194,621

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, 19, 4621

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 19 x 4,621 = 14,223,438

This can also be written as 21 x 34 x 191 x 4,6211 = 14,223,438

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


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