Q: What are the prime factors of the number 223,333,308?

 A: 2, 3, 11, 53, 3547

Why are those the prime factors of the number 223,333,308?

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 223,333,308

223,333,308
Factor Arrows
2111,666,654
Factor Arrows
255,833,327
Factor Arrows
318,611,109
Factor Arrows
36,203,703
Factor Arrows
32,067,901
Factor Arrows
11187,991
Factor Arrows
533,547

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, 11, 53, 3547

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 11 x 53 x 3,547 = 223,333,308

This can also be written as 22 x 33 x 111 x 531 x 3,5471 = 223,333,308

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


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