Q: What are the prime factors of the number 64,558,116?

 A: 2, 3, 7, 241, 1063

Why are those the prime factors of the number 64,558,116?

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 64,558,116

64,558,116
Factor Arrows
232,279,058
Factor Arrows
216,139,529
Factor Arrows
35,379,843
Factor Arrows
31,793,281
Factor Arrows
7256,183
Factor Arrows
2411,063

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, 3, 7, 241, 1063

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 241 x 1,063 = 64,558,116

This can also be written as 22 x 32 x 71 x 2411 x 1,0631 = 64,558,116

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


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