Q: What are the prime factors of the number 220,011,108?

 A: 2, 3, 19, 71, 13591

Why are those the prime factors of the number 220,011,108?

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 220,011,108

220,011,108
Factor Arrows
2110,005,554
Factor Arrows
255,002,777
Factor Arrows
318,334,259
Factor Arrows
19964,961
Factor Arrows
7113,591

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, 19, 71, 13591

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 19 x 71 x 13,591 = 220,011,108

This can also be written as 22 x 31 x 191 x 711 x 13,5911 = 220,011,108

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


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