Q: What are the prime factors of the number 223,443,200?

 A: 2, 5, 34913

Why are those the prime factors of the number 223,443,200?

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 223,443,200

223,443,200
Factor Arrows
2111,721,600
Factor Arrows
255,860,800
Factor Arrows
227,930,400
Factor Arrows
213,965,200
Factor Arrows
26,982,600
Factor Arrows
23,491,300
Factor Arrows
21,745,650
Factor Arrows
2872,825
Factor Arrows
5174,565
Factor Arrows
534,913

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, 34913

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 2 x 2 x 5 x 5 x 34,913 = 223,443,200

This can also be written as 28 x 52 x 34,9131 = 223,443,200

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


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