Q: What are the prime factors of the number 38,855,310?

 A: 2, 3, 5, 13, 67, 1487

Why are those the prime factors of the number 38,855,310?

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 38,855,310

38,855,310
Factor Arrows
219,427,655
Factor Arrows
36,475,885
Factor Arrows
51,295,177
Factor Arrows
1399,629
Factor Arrows
671,487

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, 13, 67, 1487

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 13 x 67 x 1,487 = 38,855,310

This can also be written as 21 x 31 x 51 x 131 x 671 x 1,4871 = 38,855,310

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


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