Q: What are the prime factors of the number 144,032?

 A: 2, 7, 643

Why are those the prime factors of the number 144,032?

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 144,032

144,032
Factor Arrows
272,016
Factor Arrows
236,008
Factor Arrows
218,004
Factor Arrows
29,002
Factor Arrows
24,501
Factor Arrows
7643

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, 7, 643

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 643 = 144,032

This can also be written as 25 x 71 x 6431 = 144,032

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


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