Q: What are the prime factors of the number 33,737,620?

 A: 2, 5, 7, 137, 1759

Why are those the prime factors of the number 33,737,620?

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 33,737,620

33,737,620
Factor Arrows
216,868,810
Factor Arrows
28,434,405
Factor Arrows
51,686,881
Factor Arrows
7240,983
Factor Arrows
1371,759

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, 5, 7, 137, 1759

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 7 x 137 x 1,759 = 33,737,620

This can also be written as 22 x 51 x 71 x 1371 x 1,7591 = 33,737,620

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


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