Q: What are the prime factors of the number 55,338,688?

 A: 2, 107, 8081

Why are those the prime factors of the number 55,338,688?

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 55,338,688

55,338,688
Factor Arrows
227,669,344
Factor Arrows
213,834,672
Factor Arrows
26,917,336
Factor Arrows
23,458,668
Factor Arrows
21,729,334
Factor Arrows
2864,667
Factor Arrows
1078,081

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, 107, 8081

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 107 x 8,081 = 55,338,688

This can also be written as 26 x 1071 x 8,0811 = 55,338,688

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


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