Q: What are the prime factors of the number 52,257,728?

 A: 2, 17, 43, 1117

Why are those the prime factors of the number 52,257,728?

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 52,257,728

52,257,728
Factor Arrows
226,128,864
Factor Arrows
213,064,432
Factor Arrows
26,532,216
Factor Arrows
23,266,108
Factor Arrows
21,633,054
Factor Arrows
2816,527
Factor Arrows
1748,031
Factor Arrows
431,117

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, 17, 43, 1117

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 17 x 43 x 1,117 = 52,257,728

This can also be written as 26 x 171 x 431 x 1,1171 = 52,257,728

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


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