Q: What are the prime factors of the number 220,050,351?

 A: 3, 397, 2281

Why are those the prime factors of the number 220,050,351?

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 220,050,351

220,050,351
Factor Arrows
373,350,117
Factor Arrows
324,450,039
Factor Arrows
38,150,013
Factor Arrows
32,716,671
Factor Arrows
3905,557
Factor Arrows
3972,281

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:

3, 397, 2281

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 397 x 2,281 = 220,050,351

This can also be written as 35 x 3971 x 2,2811 = 220,050,351

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


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