Q: What are the prime factors of the number 322,433,040?

 A: 2, 3, 5, 19, 70709

Why are those the prime factors of the number 322,433,040?

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 322,433,040

322,433,040
Factor Arrows
2161,216,520
Factor Arrows
280,608,260
Factor Arrows
240,304,130
Factor Arrows
220,152,065
Factor Arrows
36,717,355
Factor Arrows
51,343,471
Factor Arrows
1970,709

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, 5, 19, 70709

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 19 x 70,709 = 322,433,040

This can also be written as 24 x 31 x 51 x 191 x 70,7091 = 322,433,040

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


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