Q: What are the prime factors of the number 220,130,208?

 A: 2, 3, 764341

Why are those the prime factors of the number 220,130,208?

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 220,130,208

220,130,208
Factor Arrows
2110,065,104
Factor Arrows
255,032,552
Factor Arrows
227,516,276
Factor Arrows
213,758,138
Factor Arrows
26,879,069
Factor Arrows
32,293,023
Factor Arrows
3764,341

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, 764341

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 764,341 = 220,130,208

This can also be written as 25 x 32 x 764,3411 = 220,130,208

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


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