Q: What are the prime factors of the number 120,022,776?

 A: 2, 3, 555661

Why are those the prime factors of the number 120,022,776?

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 120,022,776

120,022,776
Factor Arrows
260,011,388
Factor Arrows
230,005,694
Factor Arrows
215,002,847
Factor Arrows
35,000,949
Factor Arrows
31,666,983
Factor Arrows
3555,661

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, 555661

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 555,661 = 120,022,776

This can also be written as 23 x 33 x 555,6611 = 120,022,776

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


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