Q: What are the prime factors of the number 144,272?

 A: 2, 71, 127

Why are those the prime factors of the number 144,272?

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 144,272

144,272
Factor Arrows
272,136
Factor Arrows
236,068
Factor Arrows
218,034
Factor Arrows
29,017
Factor Arrows
71127

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, 71, 127

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 71 x 127 = 144,272

This can also be written as 24 x 711 x 1271 = 144,272

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


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