Q: What are the prime factors of the number 233,455,428?

 A: 2, 3, 23, 43, 79, 83

Why are those the prime factors of the number 233,455,428?

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 233,455,428

233,455,428
Factor Arrows
2116,727,714
Factor Arrows
258,363,857
Factor Arrows
319,454,619
Factor Arrows
36,484,873
Factor Arrows
23281,951
Factor Arrows
436,557
Factor Arrows
7983

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, 23, 43, 79, 83

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 23 x 43 x 79 x 83 = 233,455,428

This can also be written as 22 x 32 x 231 x 431 x 791 x 831 = 233,455,428

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


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