Q: What are the prime factors of the number 122,213,344?

 A: 2, 11, 347197

Why are those the prime factors of the number 122,213,344?

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 122,213,344

122,213,344
Factor Arrows
261,106,672
Factor Arrows
230,553,336
Factor Arrows
215,276,668
Factor Arrows
27,638,334
Factor Arrows
23,819,167
Factor Arrows
11347,197

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, 347197

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 11 x 347,197 = 122,213,344

This can also be written as 25 x 111 x 347,1971 = 122,213,344

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


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