Q: What are the prime factors of the number 220,130,659?

 A: 7, 31, 223, 4549

Why are those the prime factors of the number 220,130,659?

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 220,130,659

220,130,659
Factor Arrows
731,447,237
Factor Arrows
311,014,427
Factor Arrows
2234,549

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:

7, 31, 223, 4549

We can check our work by multiplying all of the prime factors together: 7 x 31 x 223 x 4,549 = 220,130,659

This can also be written as 71 x 311 x 2231 x 4,5491 = 220,130,659

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


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