Q: What are the prime factors of the number 148,824?

 A: 2, 3, 13, 53

Why are those the prime factors of the number 148,824?

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 148,824

148,824
Factor Arrows
274,412
Factor Arrows
237,206
Factor Arrows
218,603
Factor Arrows
36,201
Factor Arrows
32,067
Factor Arrows
3689
Factor Arrows
1353

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, 3, 13, 53

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 13 x 53 = 148,824

This can also be written as 23 x 33 x 131 x 531 = 148,824

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


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