Q: What are the prime factors of the number 37,338,720?

 A: 2, 3, 5, 107, 727

Why are those the prime factors of the number 37,338,720?

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 37,338,720

37,338,720
Factor Arrows
218,669,360
Factor Arrows
29,334,680
Factor Arrows
24,667,340
Factor Arrows
22,333,670
Factor Arrows
21,166,835
Factor Arrows
3388,945
Factor Arrows
577,789
Factor Arrows
107727

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, 107, 727

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 5 x 107 x 727 = 37,338,720

This can also be written as 25 x 31 x 51 x 1071 x 7271 = 37,338,720

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


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