Q: What are the prime factors of the number 234,112,320?

 A: 2, 3, 5, 13, 37

Why are those the prime factors of the number 234,112,320?

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 234,112,320

234,112,320
Factor Arrows
2117,056,160
Factor Arrows
258,528,080
Factor Arrows
229,264,040
Factor Arrows
214,632,020
Factor Arrows
27,316,010
Factor Arrows
23,658,005
Factor Arrows
31,219,335
Factor Arrows
3406,445
Factor Arrows
581,289
Factor Arrows
136,253
Factor Arrows
13481
Factor Arrows
1337

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, 13, 37

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 5 x 13 x 13 x 13 x 37 = 234,112,320

This can also be written as 26 x 32 x 51 x 133 x 371 = 234,112,320

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


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