Q: What are the prime factors of the number 245,544,144?

 A: 2, 3, 19, 269237

Why are those the prime factors of the number 245,544,144?

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 245,544,144

245,544,144
Factor Arrows
2122,772,072
Factor Arrows
261,386,036
Factor Arrows
230,693,018
Factor Arrows
215,346,509
Factor Arrows
35,115,503
Factor Arrows
19269,237

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, 19, 269237

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 19 x 269,237 = 245,544,144

This can also be written as 24 x 31 x 191 x 269,2371 = 245,544,144

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


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