Q: What are the prime factors of the number 998,992?

 A: 2, 29, 2153

Why are those the prime factors of the number 998,992?

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 998,992

998,992
Factor Arrows
2499,496
Factor Arrows
2249,748
Factor Arrows
2124,874
Factor Arrows
262,437
Factor Arrows
292,153

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, 29, 2153

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 29 x 2,153 = 998,992

This can also be written as 24 x 291 x 2,1531 = 998,992

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


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