Q: What are the prime factors of the number 240,393,888?

 A: 2, 3, 7, 119243

Why are those the prime factors of the number 240,393,888?

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 240,393,888

240,393,888
Factor Arrows
2120,196,944
Factor Arrows
260,098,472
Factor Arrows
230,049,236
Factor Arrows
215,024,618
Factor Arrows
27,512,309
Factor Arrows
32,504,103
Factor Arrows
3834,701
Factor Arrows
7119,243

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, 119243

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 7 x 119,243 = 240,393,888

This can also be written as 25 x 32 x 71 x 119,2431 = 240,393,888

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


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