Q: What are the prime factors of the number 33,704,448?

 A: 2, 3, 21943

Why are those the prime factors of the number 33,704,448?

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 33,704,448

33,704,448
Factor Arrows
216,852,224
Factor Arrows
28,426,112
Factor Arrows
24,213,056
Factor Arrows
22,106,528
Factor Arrows
21,053,264
Factor Arrows
2526,632
Factor Arrows
2263,316
Factor Arrows
2131,658
Factor Arrows
265,829
Factor Arrows
321,943

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, 21943

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 3 x 21,943 = 33,704,448

This can also be written as 29 x 31 x 21,9431 = 33,704,448

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


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