Q: What are the prime factors of the number 146,144?

 A: 2, 4567

Why are those the prime factors of the number 146,144?

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 146,144

146,144
Factor Arrows
273,072
Factor Arrows
236,536
Factor Arrows
218,268
Factor Arrows
29,134
Factor Arrows
24,567

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, 4567

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 4,567 = 146,144

This can also be written as 25 x 4,5671 = 146,144

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


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