Q: What are the prime factors of the number 324,126,624?

 A: 2, 3, 17, 19, 10453

Why are those the prime factors of the number 324,126,624?

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 324,126,624

324,126,624
Factor Arrows
2162,063,312
Factor Arrows
281,031,656
Factor Arrows
240,515,828
Factor Arrows
220,257,914
Factor Arrows
210,128,957
Factor Arrows
33,376,319
Factor Arrows
17198,607
Factor Arrows
1910,453

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, 17, 19, 10453

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 17 x 19 x 10,453 = 324,126,624

This can also be written as 25 x 31 x 171 x 191 x 10,4531 = 324,126,624

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


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