Q: What are the prime factors of the number 220,794?

 A: 2, 3, 7, 751

Why are those the prime factors of the number 220,794?

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 220,794

220,794
Factor Arrows
2110,397
Factor Arrows
336,799
Factor Arrows
75,257
Factor Arrows
7751

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, 7, 751

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 7 x 751 = 220,794

This can also be written as 21 x 31 x 72 x 7511 = 220,794

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


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