Q: What are the prime factors of the number 146,464?

 A: 2, 23, 199

Why are those the prime factors of the number 146,464?

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 146,464

146,464
Factor Arrows
273,232
Factor Arrows
236,616
Factor Arrows
218,308
Factor Arrows
29,154
Factor Arrows
24,577
Factor Arrows
23199

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, 23, 199

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 23 x 199 = 146,464

This can also be written as 25 x 231 x 1991 = 146,464

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


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