Q: What are the prime factors of the number 7,377,966?

 A: 2, 3, 17, 19, 47

Why are those the prime factors of the number 7,377,966?

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 7,377,966

7,377,966
Factor Arrows
23,688,983
Factor Arrows
31,229,661
Factor Arrows
3409,887
Factor Arrows
3136,629
Factor Arrows
345,543
Factor Arrows
315,181
Factor Arrows
17893
Factor Arrows
1947

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, 17, 19, 47

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 17 x 19 x 47 = 7,377,966

This can also be written as 21 x 35 x 171 x 191 x 471 = 7,377,966

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


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