Q: What are the prime factors of the number 10,985,536?

 A: 2, 17, 23, 439

Why are those the prime factors of the number 10,985,536?

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 10,985,536

10,985,536
Factor Arrows
25,492,768
Factor Arrows
22,746,384
Factor Arrows
21,373,192
Factor Arrows
2686,596
Factor Arrows
2343,298
Factor Arrows
2171,649
Factor Arrows
1710,097
Factor Arrows
23439

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, 17, 23, 439

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 17 x 23 x 439 = 10,985,536

This can also be written as 26 x 171 x 231 x 4391 = 10,985,536

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


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