Q: What are the prime factors of the number 64,717,002?

 A: 2, 3, 7, 19, 9011

Why are those the prime factors of the number 64,717,002?

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 64,717,002

64,717,002
Factor Arrows
232,358,501
Factor Arrows
310,786,167
Factor Arrows
33,595,389
Factor Arrows
31,198,463
Factor Arrows
7171,209
Factor Arrows
199,011

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, 19, 9011

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 7 x 19 x 9,011 = 64,717,002

This can also be written as 21 x 33 x 71 x 191 x 9,0111 = 64,717,002

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


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