Q: What are the prime factors of the number 66,622,038?

 A: 2, 3, 7, 31, 51169

Why are those the prime factors of the number 66,622,038?

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 66,622,038

66,622,038
Factor Arrows
233,311,019
Factor Arrows
311,103,673
Factor Arrows
71,586,239
Factor Arrows
3151,169

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, 31, 51169

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 31 x 51,169 = 66,622,038

This can also be written as 21 x 31 x 71 x 311 x 51,1691 = 66,622,038

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


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