Q: What are the prime factors of the number 330,136,074?

 A: 2, 3, 101, 20177

Why are those the prime factors of the number 330,136,074?

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 330,136,074

330,136,074
Factor Arrows
2165,068,037
Factor Arrows
355,022,679
Factor Arrows
318,340,893
Factor Arrows
36,113,631
Factor Arrows
32,037,877
Factor Arrows
10120,177

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, 101, 20177

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 101 x 20,177 = 330,136,074

This can also be written as 21 x 34 x 1011 x 20,1771 = 330,136,074

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


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