Q: What are the prime factors of the number 133,750,528?

 A: 2, 41, 12743

Why are those the prime factors of the number 133,750,528?

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 133,750,528

133,750,528
Factor Arrows
266,875,264
Factor Arrows
233,437,632
Factor Arrows
216,718,816
Factor Arrows
28,359,408
Factor Arrows
24,179,704
Factor Arrows
22,089,852
Factor Arrows
21,044,926
Factor Arrows
2522,463
Factor Arrows
4112,743

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, 41, 12743

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 2 x 41 x 12,743 = 133,750,528

This can also be written as 28 x 411 x 12,7431 = 133,750,528

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


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