Q: What are the prime factors of the number 36,685,390?

 A: 2, 5, 7, 19, 27583

Why are those the prime factors of the number 36,685,390?

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 36,685,390

36,685,390
Factor Arrows
218,342,695
Factor Arrows
53,668,539
Factor Arrows
7524,077
Factor Arrows
1927,583

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, 5, 7, 19, 27583

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 19 x 27,583 = 36,685,390

This can also be written as 21 x 51 x 71 x 191 x 27,5831 = 36,685,390

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


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