Q: What are the prime factors of the number 89,056?

 A: 2, 11, 23

Why are those the prime factors of the number 89,056?

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 89,056

89,056
Factor Arrows
244,528
Factor Arrows
222,264
Factor Arrows
211,132
Factor Arrows
25,566
Factor Arrows
22,783
Factor Arrows
11253
Factor Arrows
1123

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, 11, 23

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 11 x 11 x 23 = 89,056

This can also be written as 25 x 112 x 231 = 89,056

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


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