Q: What are the prime factors of the number 22,424,000?

 A: 2, 5, 2803

Why are those the prime factors of the number 22,424,000?

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 22,424,000

22,424,000
Factor Arrows
211,212,000
Factor Arrows
25,606,000
Factor Arrows
22,803,000
Factor Arrows
21,401,500
Factor Arrows
2700,750
Factor Arrows
2350,375
Factor Arrows
570,075
Factor Arrows
514,015
Factor Arrows
52,803

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, 2803

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 5 x 5 x 2,803 = 22,424,000

This can also be written as 26 x 53 x 2,8031 = 22,424,000

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


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