Q: What are the prime factors of the number 347,216?

 A: 2, 21701

Why are those the prime factors of the number 347,216?

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 347,216

347,216
Factor Arrows
2173,608
Factor Arrows
286,804
Factor Arrows
243,402
Factor Arrows
221,701

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, 21701

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 21,701 = 347,216

This can also be written as 24 x 21,7011 = 347,216

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


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