Q: What are the prime factors of the number 22,142,124?

 A: 2, 3, 113, 5443

Why are those the prime factors of the number 22,142,124?

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 22,142,124

22,142,124
Factor Arrows
211,071,062
Factor Arrows
25,535,531
Factor Arrows
31,845,177
Factor Arrows
3615,059
Factor Arrows
1135,443

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, 113, 5443

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 113 x 5,443 = 22,142,124

This can also be written as 22 x 32 x 1131 x 5,4431 = 22,142,124

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


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