Q: What are the prime factors of the number 66,347,070?

 A: 2, 3, 5, 29, 76261

Why are those the prime factors of the number 66,347,070?

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 66,347,070

66,347,070
Factor Arrows
233,173,535
Factor Arrows
311,057,845
Factor Arrows
52,211,569
Factor Arrows
2976,261

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, 5, 29, 76261

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 29 x 76,261 = 66,347,070

This can also be written as 21 x 31 x 51 x 291 x 76,2611 = 66,347,070

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


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