Q: What are the prime factors of the number 540,450?

 A: 2, 3, 5, 1201

Why are those the prime factors of the number 540,450?

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 540,450

540,450
Factor Arrows
2270,225
Factor Arrows
390,075
Factor Arrows
330,025
Factor Arrows
56,005
Factor Arrows
51,201

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, 1201

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 5 x 1,201 = 540,450

This can also be written as 21 x 32 x 52 x 1,2011 = 540,450

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


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