Q: What are the prime factors of the number 134,560?

 A: 2, 5, 29

Why are those the prime factors of the number 134,560?

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 134,560

134,560
Factor Arrows
267,280
Factor Arrows
233,640
Factor Arrows
216,820
Factor Arrows
28,410
Factor Arrows
24,205
Factor Arrows
5841
Factor Arrows
2929

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, 29

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 29 x 29 = 134,560

This can also be written as 25 x 51 x 292 = 134,560

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


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