Q: What are the prime factors of the number 19,422,844?

 A: 2, 7, 47, 14759

Why are those the prime factors of the number 19,422,844?

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 19,422,844

19,422,844
Factor Arrows
29,711,422
Factor Arrows
24,855,711
Factor Arrows
7693,673
Factor Arrows
4714,759

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, 7, 47, 14759

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 47 x 14,759 = 19,422,844

This can also be written as 22 x 71 x 471 x 14,7591 = 19,422,844

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


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