Q: What are the prime factors of the number 224,424,221?

 A: 7, 31, 137, 7549

Why are those the prime factors of the number 224,424,221?

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 224,424,221

224,424,221
Factor Arrows
732,060,603
Factor Arrows
311,034,213
Factor Arrows
1377,549

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:

7, 31, 137, 7549

We can check our work by multiplying all of the prime factors together: 7 x 31 x 137 x 7,549 = 224,424,221

This can also be written as 71 x 311 x 1371 x 7,5491 = 224,424,221

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


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