Q: What are the prime factors of the number 528,285?

 A: 3, 5, 41, 859

Why are those the prime factors of the number 528,285?

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 528,285

528,285
Factor Arrows
3176,095
Factor Arrows
535,219
Factor Arrows
41859

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, 41, 859

We can check our work by multiplying all of the prime factors together: 3 x 5 x 41 x 859 = 528,285

This can also be written as 31 x 51 x 411 x 8591 = 528,285

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


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