Q: What are the prime factors of the number 33,361,536?

 A: 2, 3, 13, 41, 163

Why are those the prime factors of the number 33,361,536?

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 33,361,536

33,361,536
Factor Arrows
216,680,768
Factor Arrows
28,340,384
Factor Arrows
24,170,192
Factor Arrows
22,085,096
Factor Arrows
21,042,548
Factor Arrows
2521,274
Factor Arrows
2260,637
Factor Arrows
386,879
Factor Arrows
136,683
Factor Arrows
41163

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, 3, 13, 41, 163

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 3 x 13 x 41 x 163 = 33,361,536

This can also be written as 27 x 31 x 131 x 411 x 1631 = 33,361,536

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


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