Q: What are the prime factors of the number 66,005,075?

 A: 5, 127, 20789

Why are those the prime factors of the number 66,005,075?

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 66,005,075

66,005,075
Factor Arrows
513,201,015
Factor Arrows
52,640,203
Factor Arrows
12720,789

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:

5, 127, 20789

We can check our work by multiplying all of the prime factors together: 5 x 5 x 127 x 20,789 = 66,005,075

This can also be written as 52 x 1271 x 20,7891 = 66,005,075

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


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