Q: What are the prime factors of the number 501,240?

 A: 2, 3, 5, 4177

Why are those the prime factors of the number 501,240?

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 501,240

501,240
Factor Arrows
2250,620
Factor Arrows
2125,310
Factor Arrows
262,655
Factor Arrows
320,885
Factor Arrows
54,177

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, 4177

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 4,177 = 501,240

This can also be written as 23 x 31 x 51 x 4,1771 = 501,240

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


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