Q: What are the prime factors of the number 514,624,509?

 A: 3, 7, 18523

Why are those the prime factors of the number 514,624,509?

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 514,624,509

514,624,509
Factor Arrows
3171,541,503
Factor Arrows
357,180,501
Factor Arrows
319,060,167
Factor Arrows
36,353,389
Factor Arrows
7907,627
Factor Arrows
7129,661
Factor Arrows
718,523

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, 7, 18523

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 7 x 7 x 7 x 18,523 = 514,624,509

This can also be written as 34 x 73 x 18,5231 = 514,624,509

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


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