Q: What are the prime factors of the number 327,731,168?

 A: 2, 17, 103, 5849

Why are those the prime factors of the number 327,731,168?

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 327,731,168

327,731,168
Factor Arrows
2163,865,584
Factor Arrows
281,932,792
Factor Arrows
240,966,396
Factor Arrows
220,483,198
Factor Arrows
210,241,599
Factor Arrows
17602,447
Factor Arrows
1035,849

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, 17, 103, 5849

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 17 x 103 x 5,849 = 327,731,168

This can also be written as 25 x 171 x 1031 x 5,8491 = 327,731,168

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


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