Q: What are the prime factors of the number 122,626,384?

 A: 2, 29, 47, 5623

Why are those the prime factors of the number 122,626,384?

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 122,626,384

122,626,384
Factor Arrows
261,313,192
Factor Arrows
230,656,596
Factor Arrows
215,328,298
Factor Arrows
27,664,149
Factor Arrows
29264,281
Factor Arrows
475,623

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, 29, 47, 5623

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 29 x 47 x 5,623 = 122,626,384

This can also be written as 24 x 291 x 471 x 5,6231 = 122,626,384

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


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