Q: What are the prime factors of the number 3,797,976?

 A: 2, 3, 7, 13, 37, 47

Why are those the prime factors of the number 3,797,976?

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 3,797,976

3,797,976
Factor Arrows
21,898,988
Factor Arrows
2949,494
Factor Arrows
2474,747
Factor Arrows
3158,249
Factor Arrows
722,607
Factor Arrows
131,739
Factor Arrows
3747

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, 37, 47

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 13 x 37 x 47 = 3,797,976

This can also be written as 23 x 31 x 71 x 131 x 371 x 471 = 3,797,976

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


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