Q: What are the prime factors of the number 233,144,240?

 A: 2, 5, 7, 263, 1583

Why are those the prime factors of the number 233,144,240?

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 233,144,240

233,144,240
Factor Arrows
2116,572,120
Factor Arrows
258,286,060
Factor Arrows
229,143,030
Factor Arrows
214,571,515
Factor Arrows
52,914,303
Factor Arrows
7416,329
Factor Arrows
2631,583

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, 5, 7, 263, 1583

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 7 x 263 x 1,583 = 233,144,240

This can also be written as 24 x 51 x 71 x 2631 x 1,5831 = 233,144,240

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


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