Q: What are the prime factors of the number 154,548?

 A: 2, 3, 53

Why are those the prime factors of the number 154,548?

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 154,548

154,548
Factor Arrows
277,274
Factor Arrows
238,637
Factor Arrows
312,879
Factor Arrows
34,293
Factor Arrows
31,431
Factor Arrows
3477
Factor Arrows
3159
Factor Arrows
353

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, 53

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 53 = 154,548

This can also be written as 22 x 36 x 531 = 154,548

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


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