Q: What are the prime factors of the number 33,360,670?

 A: 2, 5, 7, 103, 661

Why are those the prime factors of the number 33,360,670?

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 33,360,670

33,360,670
Factor Arrows
216,680,335
Factor Arrows
53,336,067
Factor Arrows
7476,581
Factor Arrows
768,083
Factor Arrows
103661

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, 5, 7, 103, 661

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 7 x 103 x 661 = 33,360,670

This can also be written as 21 x 51 x 72 x 1031 x 6611 = 33,360,670

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


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