Q: What are the prime factors of the number 324,011,400?

 A: 2, 3, 5, 163, 3313

Why are those the prime factors of the number 324,011,400?

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 324,011,400

324,011,400
Factor Arrows
2162,005,700
Factor Arrows
281,002,850
Factor Arrows
240,501,425
Factor Arrows
313,500,475
Factor Arrows
52,700,095
Factor Arrows
5540,019
Factor Arrows
1633,313

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, 5, 163, 3313

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 5 x 163 x 3,313 = 324,011,400

This can also be written as 23 x 31 x 52 x 1631 x 3,3131 = 324,011,400

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


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