Q: What are the prime factors of the number 33,245,316?

 A: 2, 3, 13, 877

Why are those the prime factors of the number 33,245,316?

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 33,245,316

33,245,316
Factor Arrows
216,622,658
Factor Arrows
28,311,329
Factor Arrows
32,770,443
Factor Arrows
3923,481
Factor Arrows
3307,827
Factor Arrows
3102,609
Factor Arrows
334,203
Factor Arrows
311,401
Factor Arrows
13877

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, 877

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 13 x 877 = 33,245,316

This can also be written as 22 x 36 x 131 x 8771 = 33,245,316

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


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