Q: What are the prime factors of the number 22,422,254?

 A: 2, 79, 191, 743

Why are those the prime factors of the number 22,422,254?

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 22,422,254

22,422,254
Factor Arrows
211,211,127
Factor Arrows
79141,913
Factor Arrows
191743

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, 79, 191, 743

We can check our work by multiplying all of the prime factors together: 2 x 79 x 191 x 743 = 22,422,254

This can also be written as 21 x 791 x 1911 x 7431 = 22,422,254

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


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