Q: What are the prime factors of the number 22,037,554?

 A: 2, 7, 11, 20443

Why are those the prime factors of the number 22,037,554?

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 22,037,554

22,037,554
Factor Arrows
211,018,777
Factor Arrows
71,574,111
Factor Arrows
7224,873
Factor Arrows
1120,443

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, 7, 11, 20443

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 11 x 20,443 = 22,037,554

This can also be written as 21 x 72 x 111 x 20,4431 = 22,037,554

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


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