Q: What are the prime factors of the number 9,424?

 A: 2, 19, 31

Why are those the prime factors of the number 9,424?

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 9,424

9,424
Factor Arrows
24,712
Factor Arrows
22,356
Factor Arrows
21,178
Factor Arrows
2589
Factor Arrows
1931

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, 19, 31

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 19 x 31 = 9,424

This can also be written as 24 x 191 x 311 = 9,424

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


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