Q: What are the prime factors of the number 55,006,336?

 A: 2, 7, 11, 5581

Why are those the prime factors of the number 55,006,336?

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 55,006,336

55,006,336
Factor Arrows
227,503,168
Factor Arrows
213,751,584
Factor Arrows
26,875,792
Factor Arrows
23,437,896
Factor Arrows
21,718,948
Factor Arrows
2859,474
Factor Arrows
2429,737
Factor Arrows
761,391
Factor Arrows
115,581

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, 7, 11, 5581

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 7 x 11 x 5,581 = 55,006,336

This can also be written as 27 x 71 x 111 x 5,5811 = 55,006,336

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


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