Q: What are the prime factors of the number 8,137,827?

 A: 3, 61

Why are those the prime factors of the number 8,137,827?

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 8,137,827

8,137,827
Factor Arrows
32,712,609
Factor Arrows
3904,203
Factor Arrows
3301,401
Factor Arrows
3100,467
Factor Arrows
333,489
Factor Arrows
311,163
Factor Arrows
33,721
Factor Arrows
6161

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, 61

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 3 x 61 x 61 = 8,137,827

This can also be written as 37 x 612 = 8,137,827

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


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