Q: What are the prime factors of the number 89,538,064?

 A: 2, 7, 11, 6607

Why are those the prime factors of the number 89,538,064?

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 89,538,064

89,538,064
Factor Arrows
244,769,032
Factor Arrows
222,384,516
Factor Arrows
211,192,258
Factor Arrows
25,596,129
Factor Arrows
7799,447
Factor Arrows
1172,677
Factor Arrows
116,607

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, 6607

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 11 x 11 x 6,607 = 89,538,064

This can also be written as 24 x 71 x 112 x 6,6071 = 89,538,064

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


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