Q: What are the prime factors of the number 825,428?

 A: 2, 43, 4799

Why are those the prime factors of the number 825,428?

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 825,428

825,428
Factor Arrows
2412,714
Factor Arrows
2206,357
Factor Arrows
434,799

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, 43, 4799

We can check our work by multiplying all of the prime factors together: 2 x 2 x 43 x 4,799 = 825,428

This can also be written as 22 x 431 x 4,7991 = 825,428

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


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