Q: What are the prime factors of the number 51,226,304?

 A: 2, 17, 197, 239

Why are those the prime factors of the number 51,226,304?

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 51,226,304

51,226,304
Factor Arrows
225,613,152
Factor Arrows
212,806,576
Factor Arrows
26,403,288
Factor Arrows
23,201,644
Factor Arrows
21,600,822
Factor Arrows
2800,411
Factor Arrows
1747,083
Factor Arrows
197239

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, 197, 239

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 197 x 239 = 51,226,304

This can also be written as 26 x 171 x 1971 x 2391 = 51,226,304

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


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