Q: What are the prime factors of the number 999,008?

 A: 2, 31219

Why are those the prime factors of the number 999,008?

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 999,008

999,008
Factor Arrows
2499,504
Factor Arrows
2249,752
Factor Arrows
2124,876
Factor Arrows
262,438
Factor Arrows
231,219

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, 31219

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 31,219 = 999,008

This can also be written as 25 x 31,2191 = 999,008

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


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