Q: What are the prime factors of the number 973,824?

 A: 2, 3, 317

Why are those the prime factors of the number 973,824?

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 973,824

973,824
Factor Arrows
2486,912
Factor Arrows
2243,456
Factor Arrows
2121,728
Factor Arrows
260,864
Factor Arrows
230,432
Factor Arrows
215,216
Factor Arrows
27,608
Factor Arrows
23,804
Factor Arrows
21,902
Factor Arrows
2951
Factor Arrows
3317

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, 317

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 2 x 2 x 2 x 3 x 317 = 973,824

This can also be written as 210 x 31 x 3171 = 973,824

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


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