Q: What are the prime factors of the number 144,688?

 A: 2, 9043

Why are those the prime factors of the number 144,688?

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 144,688

144,688
Factor Arrows
272,344
Factor Arrows
236,172
Factor Arrows
218,086
Factor Arrows
29,043

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, 9043

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 9,043 = 144,688

This can also be written as 24 x 9,0431 = 144,688

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


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