Q: What are the prime factors of the number 326,167,722?

 A: 2, 3, 349, 641

Why are those the prime factors of the number 326,167,722?

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 326,167,722

326,167,722
Factor Arrows
2163,083,861
Factor Arrows
354,361,287
Factor Arrows
318,120,429
Factor Arrows
36,040,143
Factor Arrows
32,013,381
Factor Arrows
3671,127
Factor Arrows
3223,709
Factor Arrows
349641

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, 349, 641

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 349 x 641 = 326,167,722

This can also be written as 21 x 36 x 3491 x 6411 = 326,167,722

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


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