Q: What are the prime factors of the number 332,117,720?

 A: 2, 5, 11, 19, 39727

Why are those the prime factors of the number 332,117,720?

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 332,117,720

332,117,720
Factor Arrows
2166,058,860
Factor Arrows
283,029,430
Factor Arrows
241,514,715
Factor Arrows
58,302,943
Factor Arrows
11754,813
Factor Arrows
1939,727

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, 11, 19, 39727

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 11 x 19 x 39,727 = 332,117,720

This can also be written as 23 x 51 x 111 x 191 x 39,7271 = 332,117,720

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


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