Q: What are the prime factors of the number 224,214,100?

 A: 2, 5, 11, 317, 643

Why are those the prime factors of the number 224,214,100?

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 224,214,100

224,214,100
Factor Arrows
2112,107,050
Factor Arrows
256,053,525
Factor Arrows
511,210,705
Factor Arrows
52,242,141
Factor Arrows
11203,831
Factor Arrows
317643

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, 11, 317, 643

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 11 x 317 x 643 = 224,214,100

This can also be written as 22 x 52 x 111 x 3171 x 6431 = 224,214,100

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


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