Q: What are the prime factors of the number 39,737,952?

 A: 2, 3, 15331

Why are those the prime factors of the number 39,737,952?

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 39,737,952

39,737,952
Factor Arrows
219,868,976
Factor Arrows
29,934,488
Factor Arrows
24,967,244
Factor Arrows
22,483,622
Factor Arrows
21,241,811
Factor Arrows
3413,937
Factor Arrows
3137,979
Factor Arrows
345,993
Factor Arrows
315,331

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, 15331

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 15,331 = 39,737,952

This can also be written as 25 x 34 x 15,3311 = 39,737,952

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


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