Q: What are the prime factors of the number 38,141,685?

 A: 3, 5, 41, 2297

Why are those the prime factors of the number 38,141,685?

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 38,141,685

38,141,685
Factor Arrows
312,713,895
Factor Arrows
34,237,965
Factor Arrows
31,412,655
Factor Arrows
3470,885
Factor Arrows
594,177
Factor Arrows
412,297

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, 41, 2297

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 5 x 41 x 2,297 = 38,141,685

This can also be written as 34 x 51 x 411 x 2,2971 = 38,141,685

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


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