Q: What are the prime factors of the number 784,764?

 A: 2, 3, 21799

Why are those the prime factors of the number 784,764?

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 784,764

784,764
Factor Arrows
2392,382
Factor Arrows
2196,191
Factor Arrows
365,397
Factor Arrows
321,799

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, 3, 21799

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 21,799 = 784,764

This can also be written as 22 x 32 x 21,7991 = 784,764

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


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