Q: What are the prime factors of the number 243,203,224?

 A: 2, 11, 17, 14779

Why are those the prime factors of the number 243,203,224?

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 243,203,224

243,203,224
Factor Arrows
2121,601,612
Factor Arrows
260,800,806
Factor Arrows
230,400,403
Factor Arrows
112,763,673
Factor Arrows
11251,243
Factor Arrows
1714,779

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, 11, 17, 14779

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 11 x 11 x 17 x 14,779 = 243,203,224

This can also be written as 23 x 112 x 171 x 14,7791 = 243,203,224

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


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