Q: What are the prime factors of the number 120,212,000?

 A: 2, 5, 41, 733

Why are those the prime factors of the number 120,212,000?

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 120,212,000

120,212,000
Factor Arrows
260,106,000
Factor Arrows
230,053,000
Factor Arrows
215,026,500
Factor Arrows
27,513,250
Factor Arrows
23,756,625
Factor Arrows
5751,325
Factor Arrows
5150,265
Factor Arrows
530,053
Factor Arrows
41733

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, 41, 733

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 5 x 5 x 41 x 733 = 120,212,000

This can also be written as 25 x 53 x 411 x 7331 = 120,212,000

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


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