Q: What are the prime factors of the number 790,016?

 A: 2, 1543

Why are those the prime factors of the number 790,016?

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 790,016

790,016
Factor Arrows
2395,008
Factor Arrows
2197,504
Factor Arrows
298,752
Factor Arrows
249,376
Factor Arrows
224,688
Factor Arrows
212,344
Factor Arrows
26,172
Factor Arrows
23,086
Factor Arrows
21,543

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, 1543

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 2 x 2 x 1,543 = 790,016

This can also be written as 29 x 1,5431 = 790,016

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


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