Q: What are the prime factors of the number 36,640,290?

 A: 2, 3, 5, 67, 18229

Why are those the prime factors of the number 36,640,290?

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 36,640,290

36,640,290
Factor Arrows
218,320,145
Factor Arrows
36,106,715
Factor Arrows
51,221,343
Factor Arrows
6718,229

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, 67, 18229

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 67 x 18,229 = 36,640,290

This can also be written as 21 x 31 x 51 x 671 x 18,2291 = 36,640,290

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


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