Q: What are the prime factors of the number 133,114,752?

 A: 2, 3, 37, 347

Why are those the prime factors of the number 133,114,752?

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 133,114,752

133,114,752
Factor Arrows
266,557,376
Factor Arrows
233,278,688
Factor Arrows
216,639,344
Factor Arrows
28,319,672
Factor Arrows
24,159,836
Factor Arrows
22,079,918
Factor Arrows
21,039,959
Factor Arrows
3346,653
Factor Arrows
3115,551
Factor Arrows
338,517
Factor Arrows
312,839
Factor Arrows
37347

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, 37, 347

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 2 x 3 x 3 x 3 x 3 x 37 x 347 = 133,114,752

This can also be written as 27 x 34 x 371 x 3471 = 133,114,752

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


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