Q: What are the prime factors of the number 103,231,044?

 A: 2, 3, 7, 19507

Why are those the prime factors of the number 103,231,044?

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 103,231,044

103,231,044
Factor Arrows
251,615,522
Factor Arrows
225,807,761
Factor Arrows
38,602,587
Factor Arrows
32,867,529
Factor Arrows
3955,843
Factor Arrows
7136,549
Factor Arrows
719,507

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, 7, 19507

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 7 x 7 x 19,507 = 103,231,044

This can also be written as 22 x 33 x 72 x 19,5071 = 103,231,044

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


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