Q: What are the prime factors of the number 330,131,144?

 A: 2, 7, 23, 256313

Why are those the prime factors of the number 330,131,144?

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 330,131,144

330,131,144
Factor Arrows
2165,065,572
Factor Arrows
282,532,786
Factor Arrows
241,266,393
Factor Arrows
75,895,199
Factor Arrows
23256,313

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, 7, 23, 256313

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 23 x 256,313 = 330,131,144

This can also be written as 23 x 71 x 231 x 256,3131 = 330,131,144

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


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