Q: What are the prime factors of the number 33,422,550?

 A: 2, 3, 5, 7, 139, 229

Why are those the prime factors of the number 33,422,550?

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 33,422,550

33,422,550
Factor Arrows
216,711,275
Factor Arrows
35,570,425
Factor Arrows
51,114,085
Factor Arrows
5222,817
Factor Arrows
731,831
Factor Arrows
139229

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, 5, 7, 139, 229

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 7 x 139 x 229 = 33,422,550

This can also be written as 21 x 31 x 52 x 71 x 1391 x 2291 = 33,422,550

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


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