Q: What are the prime factors of the number 154,360?

 A: 2, 5, 17, 227

Why are those the prime factors of the number 154,360?

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 154,360

154,360
Factor Arrows
277,180
Factor Arrows
238,590
Factor Arrows
219,295
Factor Arrows
53,859
Factor Arrows
17227

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, 5, 17, 227

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 17 x 227 = 154,360

This can also be written as 23 x 51 x 171 x 2271 = 154,360

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


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