Q: What are the prime factors of the number 101,232?

 A: 2, 3, 19, 37

Why are those the prime factors of the number 101,232?

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 101,232

101,232
Factor Arrows
250,616
Factor Arrows
225,308
Factor Arrows
212,654
Factor Arrows
26,327
Factor Arrows
32,109
Factor Arrows
3703
Factor Arrows
1937

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, 19, 37

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 19 x 37 = 101,232

This can also be written as 24 x 32 x 191 x 371 = 101,232

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


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