Q: What are the prime factors of the number 989,056?

 A: 2, 7727

Why are those the prime factors of the number 989,056?

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 989,056

989,056
Factor Arrows
2494,528
Factor Arrows
2247,264
Factor Arrows
2123,632
Factor Arrows
261,816
Factor Arrows
230,908
Factor Arrows
215,454
Factor Arrows
27,727

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, 7727

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 7,727 = 989,056

This can also be written as 27 x 7,7271 = 989,056

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


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