Q: What are the prime factors of the number 39,088,170?

 A: 2, 3, 5, 11, 41, 107

Why are those the prime factors of the number 39,088,170?

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 39,088,170

39,088,170
Factor Arrows
219,544,085
Factor Arrows
36,514,695
Factor Arrows
32,171,565
Factor Arrows
3723,855
Factor Arrows
3241,285
Factor Arrows
548,257
Factor Arrows
114,387
Factor Arrows
41107

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, 5, 11, 41, 107

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 5 x 11 x 41 x 107 = 39,088,170

This can also be written as 21 x 34 x 51 x 111 x 411 x 1071 = 39,088,170

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


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