Q: What are the prime factors of the number 22,126,300?

 A: 2, 5, 7, 73, 433

Why are those the prime factors of the number 22,126,300?

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 22,126,300

22,126,300
Factor Arrows
211,063,150
Factor Arrows
25,531,575
Factor Arrows
51,106,315
Factor Arrows
5221,263
Factor Arrows
731,609
Factor Arrows
73433

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, 5, 7, 73, 433

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 7 x 73 x 433 = 22,126,300

This can also be written as 22 x 52 x 71 x 731 x 4331 = 22,126,300

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


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