Q: What are the prime factors of the number 327,664,630?

 A: 2, 5, 17, 103, 18713

Why are those the prime factors of the number 327,664,630?

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 327,664,630

327,664,630
Factor Arrows
2163,832,315
Factor Arrows
532,766,463
Factor Arrows
171,927,439
Factor Arrows
10318,713

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, 5, 17, 103, 18713

We can check our work by multiplying all of the prime factors together: 2 x 5 x 17 x 103 x 18,713 = 327,664,630

This can also be written as 21 x 51 x 171 x 1031 x 18,7131 = 327,664,630

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


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