Q: What are the prime factors of the number 244,221,507?

 A: 3, 17, 157, 3389

Why are those the prime factors of the number 244,221,507?

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 244,221,507

244,221,507
Factor Arrows
381,407,169
Factor Arrows
327,135,723
Factor Arrows
39,045,241
Factor Arrows
17532,073
Factor Arrows
1573,389

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, 17, 157, 3389

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 17 x 157 x 3,389 = 244,221,507

This can also be written as 33 x 171 x 1571 x 3,3891 = 244,221,507

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


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