Q: What are the prime factors of the number 37,676,772?

 A: 2, 3, 7, 19, 43, 61

Why are those the prime factors of the number 37,676,772?

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 37,676,772

37,676,772
Factor Arrows
218,838,386
Factor Arrows
29,419,193
Factor Arrows
33,139,731
Factor Arrows
31,046,577
Factor Arrows
3348,859
Factor Arrows
749,837
Factor Arrows
192,623
Factor Arrows
4361

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, 43, 61

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 7 x 19 x 43 x 61 = 37,676,772

This can also be written as 22 x 33 x 71 x 191 x 431 x 611 = 37,676,772

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


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