Q: What are the prime factors of the number 187,760?

 A: 2, 5, 2347

Why are those the prime factors of the number 187,760?

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 187,760

187,760
Factor Arrows
293,880
Factor Arrows
246,940
Factor Arrows
223,470
Factor Arrows
211,735
Factor Arrows
52,347

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, 2347

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 2,347 = 187,760

This can also be written as 24 x 51 x 2,3471 = 187,760

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


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