Q: What are the prime factors of the number 7,726,976?

 A: 2, 17, 53, 67

Why are those the prime factors of the number 7,726,976?

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 7,726,976

7,726,976
Factor Arrows
23,863,488
Factor Arrows
21,931,744
Factor Arrows
2965,872
Factor Arrows
2482,936
Factor Arrows
2241,468
Factor Arrows
2120,734
Factor Arrows
260,367
Factor Arrows
173,551
Factor Arrows
5367

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, 17, 53, 67

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 17 x 53 x 67 = 7,726,976

This can also be written as 27 x 171 x 531 x 671 = 7,726,976

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


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