Q: What are the prime factors of the number 240,300,120?

 A: 2, 3, 5, 919, 2179

Why are those the prime factors of the number 240,300,120?

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 240,300,120

240,300,120
Factor Arrows
2120,150,060
Factor Arrows
260,075,030
Factor Arrows
230,037,515
Factor Arrows
310,012,505
Factor Arrows
52,002,501
Factor Arrows
9192,179

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, 5, 919, 2179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 919 x 2,179 = 240,300,120

This can also be written as 23 x 31 x 51 x 9191 x 2,1791 = 240,300,120

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


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