Q: What are the prime factors of the number 133,501,056?

 A: 2, 3, 13, 47, 569

Why are those the prime factors of the number 133,501,056?

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 133,501,056

133,501,056
Factor Arrows
266,750,528
Factor Arrows
233,375,264
Factor Arrows
216,687,632
Factor Arrows
28,343,816
Factor Arrows
24,171,908
Factor Arrows
22,085,954
Factor Arrows
21,042,977
Factor Arrows
3347,659
Factor Arrows
1326,743
Factor Arrows
47569

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, 13, 47, 569

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 13 x 47 x 569 = 133,501,056

This can also be written as 27 x 31 x 131 x 471 x 5691 = 133,501,056

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


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