Q: What are the prime factors of the number 330,242,346?

 A: 2, 3, 7, 97073

Why are those the prime factors of the number 330,242,346?

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 330,242,346

330,242,346
Factor Arrows
2165,121,173
Factor Arrows
355,040,391
Factor Arrows
318,346,797
Factor Arrows
36,115,599
Factor Arrows
32,038,533
Factor Arrows
3679,511
Factor Arrows
797,073

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, 97073

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 7 x 97,073 = 330,242,346

This can also be written as 21 x 35 x 71 x 97,0731 = 330,242,346

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


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