Q: What are the prime factors of the number 141,732?

 A: 2, 3, 31, 127

Why are those the prime factors of the number 141,732?

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 141,732

141,732
Factor Arrows
270,866
Factor Arrows
235,433
Factor Arrows
311,811
Factor Arrows
33,937
Factor Arrows
31127

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, 31, 127

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 31 x 127 = 141,732

This can also be written as 22 x 32 x 311 x 1271 = 141,732

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


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