Q: What are the prime factors of the number 67,875?

 A: 3, 5, 181

Why are those the prime factors of the number 67,875?

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 67,875

67,875
Factor Arrows
322,625
Factor Arrows
54,525
Factor Arrows
5905
Factor Arrows
5181

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, 5, 181

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 5 x 181 = 67,875

This can also be written as 31 x 53 x 1811 = 67,875

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


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