Q: What are the prime factors of the number 64,734,174?

 A: 2, 3, 131, 9151

Why are those the prime factors of the number 64,734,174?

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 64,734,174

64,734,174
Factor Arrows
232,367,087
Factor Arrows
310,789,029
Factor Arrows
33,596,343
Factor Arrows
31,198,781
Factor Arrows
1319,151

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, 131, 9151

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 131 x 9,151 = 64,734,174

This can also be written as 21 x 33 x 1311 x 9,1511 = 64,734,174

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


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