Q: What are the prime factors of the number 32,022,640?

 A: 2, 5, 13, 41, 751

Why are those the prime factors of the number 32,022,640?

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 32,022,640

32,022,640
Factor Arrows
216,011,320
Factor Arrows
28,005,660
Factor Arrows
24,002,830
Factor Arrows
22,001,415
Factor Arrows
5400,283
Factor Arrows
1330,791
Factor Arrows
41751

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, 13, 41, 751

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 13 x 41 x 751 = 32,022,640

This can also be written as 24 x 51 x 131 x 411 x 7511 = 32,022,640

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


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