Q: What are the prime factors of the number 219,609,190?

 A: 2, 5, 997, 22027

Why are those the prime factors of the number 219,609,190?

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 219,609,190

219,609,190
Factor Arrows
2109,804,595
Factor Arrows
521,960,919
Factor Arrows
99722,027

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, 997, 22027

We can check our work by multiplying all of the prime factors together: 2 x 5 x 997 x 22,027 = 219,609,190

This can also be written as 21 x 51 x 9971 x 22,0271 = 219,609,190

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


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