Q: What are the prime factors of the number 332,472?

 A: 2, 3, 7, 1979

Why are those the prime factors of the number 332,472?

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 332,472

332,472
Factor Arrows
2166,236
Factor Arrows
283,118
Factor Arrows
241,559
Factor Arrows
313,853
Factor Arrows
71,979

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, 7, 1979

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 1,979 = 332,472

This can also be written as 23 x 31 x 71 x 1,9791 = 332,472

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


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