Q: What are the prime factors of the number 243,014,022?

 A: 2, 3, 31, 397, 1097

Why are those the prime factors of the number 243,014,022?

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 243,014,022

243,014,022
Factor Arrows
2121,507,011
Factor Arrows
340,502,337
Factor Arrows
313,500,779
Factor Arrows
31435,509
Factor Arrows
3971,097

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, 31, 397, 1097

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 31 x 397 x 1,097 = 243,014,022

This can also be written as 21 x 32 x 311 x 3971 x 1,0971 = 243,014,022

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


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