Q: What are the prime factors of the number 234,442,560?

 A: 2, 3, 5, 11, 149

Why are those the prime factors of the number 234,442,560?

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 234,442,560

234,442,560
Factor Arrows
2117,221,280
Factor Arrows
258,610,640
Factor Arrows
229,305,320
Factor Arrows
214,652,660
Factor Arrows
27,326,330
Factor Arrows
23,663,165
Factor Arrows
31,221,055
Factor Arrows
5244,211
Factor Arrows
1122,201
Factor Arrows
149149

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, 11, 149

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 5 x 11 x 149 x 149 = 234,442,560

This can also be written as 26 x 31 x 51 x 111 x 1492 = 234,442,560

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


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