Q: What are the prime factors of the number 322,031,724?

 A: 2, 3, 7, 11177

Why are those the prime factors of the number 322,031,724?

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 322,031,724

322,031,724
Factor Arrows
2161,015,862
Factor Arrows
280,507,931
Factor Arrows
326,835,977
Factor Arrows
73,833,711
Factor Arrows
7547,673
Factor Arrows
778,239
Factor Arrows
711,177

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, 11177

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 7 x 7 x 7 x 11,177 = 322,031,724

This can also be written as 22 x 31 x 74 x 11,1771 = 322,031,724

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


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