Q: What are the prime factors of the number 33,126,336?

 A: 2, 3, 17, 199

Why are those the prime factors of the number 33,126,336?

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 33,126,336

33,126,336
Factor Arrows
216,563,168
Factor Arrows
28,281,584
Factor Arrows
24,140,792
Factor Arrows
22,070,396
Factor Arrows
21,035,198
Factor Arrows
2517,599
Factor Arrows
3172,533
Factor Arrows
357,511
Factor Arrows
173,383
Factor Arrows
17199

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, 17, 199

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 3 x 3 x 17 x 17 x 199 = 33,126,336

This can also be written as 26 x 32 x 172 x 1991 = 33,126,336

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


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