Q: What are the prime factors of the number 223,331,100?

 A: 2, 3, 5, 41, 67, 271

Why are those the prime factors of the number 223,331,100?

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 223,331,100

223,331,100
Factor Arrows
2111,665,550
Factor Arrows
255,832,775
Factor Arrows
318,610,925
Factor Arrows
53,722,185
Factor Arrows
5744,437
Factor Arrows
4118,157
Factor Arrows
67271

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, 41, 67, 271

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5 x 41 x 67 x 271 = 223,331,100

This can also be written as 22 x 31 x 52 x 411 x 671 x 2711 = 223,331,100

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


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