Q: What are the prime factors of the number 120,035,120?

 A: 2, 5, 419, 3581

Why are those the prime factors of the number 120,035,120?

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 120,035,120

120,035,120
Factor Arrows
260,017,560
Factor Arrows
230,008,780
Factor Arrows
215,004,390
Factor Arrows
27,502,195
Factor Arrows
51,500,439
Factor Arrows
4193,581

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, 419, 3581

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 419 x 3,581 = 120,035,120

This can also be written as 24 x 51 x 4191 x 3,5811 = 120,035,120

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


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