Q: What are the prime factors of the number 210,011,218?

 A: 2, 19, 73, 75707

Why are those the prime factors of the number 210,011,218?

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 210,011,218

210,011,218
Factor Arrows
2105,005,609
Factor Arrows
195,526,611
Factor Arrows
7375,707

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, 19, 73, 75707

We can check our work by multiplying all of the prime factors together: 2 x 19 x 73 x 75,707 = 210,011,218

This can also be written as 21 x 191 x 731 x 75,7071 = 210,011,218

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


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