Q: What are the prime factors of the number 824,778?

 A: 2, 3, 45821

Why are those the prime factors of the number 824,778?

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 824,778

824,778
Factor Arrows
2412,389
Factor Arrows
3137,463
Factor Arrows
345,821

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, 45821

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 45,821 = 824,778

This can also be written as 21 x 32 x 45,8211 = 824,778

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


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