Q: What are the prime factors of the number 216,242,144?

 A: 2, 71, 95177

Why are those the prime factors of the number 216,242,144?

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 216,242,144

216,242,144
Factor Arrows
2108,121,072
Factor Arrows
254,060,536
Factor Arrows
227,030,268
Factor Arrows
213,515,134
Factor Arrows
26,757,567
Factor Arrows
7195,177

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, 71, 95177

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 71 x 95,177 = 216,242,144

This can also be written as 25 x 711 x 95,1771 = 216,242,144

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


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