Q: What are the prime factors of the number 133,551,250?

 A: 2, 5, 7, 15263

Why are those the prime factors of the number 133,551,250?

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 133,551,250

133,551,250
Factor Arrows
266,775,625
Factor Arrows
513,355,125
Factor Arrows
52,671,025
Factor Arrows
5534,205
Factor Arrows
5106,841
Factor Arrows
715,263

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, 5, 7, 15263

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 5 x 5 x 7 x 15,263 = 133,551,250

This can also be written as 21 x 54 x 71 x 15,2631 = 133,551,250

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


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