Q: What are the prime factors of the number 66,315,954?

 A: 2, 3, 199, 55541

Why are those the prime factors of the number 66,315,954?

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 66,315,954

66,315,954
Factor Arrows
233,157,977
Factor Arrows
311,052,659
Factor Arrows
19955,541

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, 199, 55541

We can check our work by multiplying all of the prime factors together: 2 x 3 x 199 x 55,541 = 66,315,954

This can also be written as 21 x 31 x 1991 x 55,5411 = 66,315,954

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


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