Q: What are the prime factors of the number 69,639,066?

 A: 2, 3, 7, 19, 1531

Why are those the prime factors of the number 69,639,066?

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 69,639,066

69,639,066
Factor Arrows
234,819,533
Factor Arrows
311,606,511
Factor Arrows
33,868,837
Factor Arrows
7552,691
Factor Arrows
1929,089
Factor Arrows
191,531

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, 1531

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 7 x 19 x 19 x 1,531 = 69,639,066

This can also be written as 21 x 32 x 71 x 192 x 1,5311 = 69,639,066

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


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