Q: What are the prime factors of the number 146,368?

 A: 2, 2287

Why are those the prime factors of the number 146,368?

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 146,368

146,368
Factor Arrows
273,184
Factor Arrows
236,592
Factor Arrows
218,296
Factor Arrows
29,148
Factor Arrows
24,574
Factor Arrows
22,287

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, 2287

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2,287 = 146,368

This can also be written as 26 x 2,2871 = 146,368

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


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