Q: What are the prime factors of the number 2,737,665?

 A: 3, 5, 7, 2897

Why are those the prime factors of the number 2,737,665?

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 2,737,665

2,737,665
Factor Arrows
3912,555
Factor Arrows
3304,185
Factor Arrows
3101,395
Factor Arrows
520,279
Factor Arrows
72,897

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, 5, 7, 2897

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 7 x 2,897 = 2,737,665

This can also be written as 33 x 51 x 71 x 2,8971 = 2,737,665

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


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