Q: What are the prime factors of the number 52,640,640?

 A: 2, 3, 5, 13, 19, 37

Why are those the prime factors of the number 52,640,640?

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 52,640,640

52,640,640
Factor Arrows
226,320,320
Factor Arrows
213,160,160
Factor Arrows
26,580,080
Factor Arrows
23,290,040
Factor Arrows
21,645,020
Factor Arrows
2822,510
Factor Arrows
2411,255
Factor Arrows
3137,085
Factor Arrows
345,695
Factor Arrows
59,139
Factor Arrows
13703
Factor Arrows
1937

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, 13, 19, 37

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 5 x 13 x 19 x 37 = 52,640,640

This can also be written as 27 x 32 x 51 x 131 x 191 x 371 = 52,640,640

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


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