Q: What are the prime factors of the number 244,123,145?

 A: 5, 7, 17, 58613

Why are those the prime factors of the number 244,123,145?

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 244,123,145

244,123,145
Factor Arrows
548,824,629
Factor Arrows
76,974,947
Factor Arrows
7996,421
Factor Arrows
1758,613

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:

5, 7, 17, 58613

We can check our work by multiplying all of the prime factors together: 5 x 7 x 7 x 17 x 58,613 = 244,123,145

This can also be written as 51 x 72 x 171 x 58,6131 = 244,123,145

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


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