Q: What are the prime factors of the number 332,442?

 A: 2, 3, 11, 23, 73

Why are those the prime factors of the number 332,442?

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 332,442

332,442
Factor Arrows
2166,221
Factor Arrows
355,407
Factor Arrows
318,469
Factor Arrows
111,679
Factor Arrows
2373

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, 23, 73

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 11 x 23 x 73 = 332,442

This can also be written as 21 x 32 x 111 x 231 x 731 = 332,442

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


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