Q: What are the prime factors of the number 500,976?

 A: 2, 3, 7, 71

Why are those the prime factors of the number 500,976?

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 500,976

500,976
Factor Arrows
2250,488
Factor Arrows
2125,244
Factor Arrows
262,622
Factor Arrows
231,311
Factor Arrows
310,437
Factor Arrows
33,479
Factor Arrows
7497
Factor Arrows
771

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, 71

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 7 x 7 x 71 = 500,976

This can also be written as 24 x 32 x 72 x 711 = 500,976

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


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