Q: What are the prime factors of the number 33,971,994?

 A: 2, 3, 7, 37, 347

Why are those the prime factors of the number 33,971,994?

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 33,971,994

33,971,994
Factor Arrows
216,985,997
Factor Arrows
35,661,999
Factor Arrows
31,887,333
Factor Arrows
3629,111
Factor Arrows
789,873
Factor Arrows
712,839
Factor Arrows
37347

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, 7, 37, 347

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 7 x 7 x 37 x 347 = 33,971,994

This can also be written as 21 x 33 x 72 x 371 x 3471 = 33,971,994

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


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