Q: What are the prime factors of the number 738,576?

 A: 2, 3, 23, 223

Why are those the prime factors of the number 738,576?

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 738,576

738,576
Factor Arrows
2369,288
Factor Arrows
2184,644
Factor Arrows
292,322
Factor Arrows
246,161
Factor Arrows
315,387
Factor Arrows
35,129
Factor Arrows
23223

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, 223

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 23 x 223 = 738,576

This can also be written as 24 x 32 x 231 x 2231 = 738,576

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


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