Q: What are the prime factors of the number 324,784,647?

 A: 3, 11, 103, 3539

Why are those the prime factors of the number 324,784,647?

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 324,784,647

324,784,647
Factor Arrows
3108,261,549
Factor Arrows
336,087,183
Factor Arrows
312,029,061
Factor Arrows
34,009,687
Factor Arrows
11364,517
Factor Arrows
1033,539

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:

3, 11, 103, 3539

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 11 x 103 x 3,539 = 324,784,647

This can also be written as 34 x 111 x 1031 x 3,5391 = 324,784,647

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


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