Q: What are the prime factors of the number 980,872?

 A: 2, 122609

Why are those the prime factors of the number 980,872?

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 980,872

980,872
Factor Arrows
2490,436
Factor Arrows
2245,218
Factor Arrows
2122,609

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, 122609

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 122,609 = 980,872

This can also be written as 23 x 122,6091 = 980,872

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


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