Q: What are the prime factors of the number 22,475,404?

 A: 2, 7, 19, 83, 509

Why are those the prime factors of the number 22,475,404?

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 22,475,404

22,475,404
Factor Arrows
211,237,702
Factor Arrows
25,618,851
Factor Arrows
7802,693
Factor Arrows
1942,247
Factor Arrows
83509

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, 7, 19, 83, 509

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 19 x 83 x 509 = 22,475,404

This can also be written as 22 x 71 x 191 x 831 x 5091 = 22,475,404

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


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