Q: What are the prime factors of the number 326,664,342?

 A: 2, 3, 37, 73, 6719

Why are those the prime factors of the number 326,664,342?

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 326,664,342

326,664,342
Factor Arrows
2163,332,171
Factor Arrows
354,444,057
Factor Arrows
318,148,019
Factor Arrows
37490,487
Factor Arrows
736,719

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, 37, 73, 6719

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 37 x 73 x 6,719 = 326,664,342

This can also be written as 21 x 32 x 371 x 731 x 6,7191 = 326,664,342

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


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