Q: What are the prime factors of the number 37,712,766?

 A: 2, 3, 7, 13, 17, 239

Why are those the prime factors of the number 37,712,766?

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 37,712,766

37,712,766
Factor Arrows
218,856,383
Factor Arrows
36,285,461
Factor Arrows
7897,923
Factor Arrows
1369,071
Factor Arrows
174,063
Factor Arrows
17239

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, 13, 17, 239

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 13 x 17 x 17 x 239 = 37,712,766

This can also be written as 21 x 31 x 71 x 131 x 172 x 2391 = 37,712,766

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


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