Q: What are the prime factors of the number 54,665,128?

 A: 2, 7, 19, 83, 619

Why are those the prime factors of the number 54,665,128?

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 54,665,128

54,665,128
Factor Arrows
227,332,564
Factor Arrows
213,666,282
Factor Arrows
26,833,141
Factor Arrows
7976,163
Factor Arrows
1951,377
Factor Arrows
83619

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, 19, 83, 619

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 19 x 83 x 619 = 54,665,128

This can also be written as 23 x 71 x 191 x 831 x 6191 = 54,665,128

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


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