Q: What are the prime factors of the number 224,403,420?

 A: 2, 3, 5, 31, 120647

Why are those the prime factors of the number 224,403,420?

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 224,403,420

224,403,420
Factor Arrows
2112,201,710
Factor Arrows
256,100,855
Factor Arrows
318,700,285
Factor Arrows
53,740,057
Factor Arrows
31120,647

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, 3, 5, 31, 120647

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 31 x 120,647 = 224,403,420

This can also be written as 22 x 31 x 51 x 311 x 120,6471 = 224,403,420

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


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