Q: What are the prime factors of the number 33,539,865?

 A: 3, 5, 23, 67, 1451

Why are those the prime factors of the number 33,539,865?

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 33,539,865

33,539,865
Factor Arrows
311,179,955
Factor Arrows
52,235,991
Factor Arrows
2397,217
Factor Arrows
671,451

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:

3, 5, 23, 67, 1451

We can check our work by multiplying all of the prime factors together: 3 x 5 x 23 x 67 x 1,451 = 33,539,865

This can also be written as 31 x 51 x 231 x 671 x 1,4511 = 33,539,865

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


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