Q: What are the prime factors of the number 501,556,650?

 A: 2, 3, 5, 7, 68239

Why are those the prime factors of the number 501,556,650?

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 501,556,650

501,556,650
Factor Arrows
2250,778,325
Factor Arrows
383,592,775
Factor Arrows
516,718,555
Factor Arrows
53,343,711
Factor Arrows
7477,673
Factor Arrows
768,239

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, 7, 68239

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 7 x 7 x 68,239 = 501,556,650

This can also be written as 21 x 31 x 52 x 72 x 68,2391 = 501,556,650

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


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