Q: What are the prime factors of the number 54,890?

 A: 2, 5, 11, 499

Why are those the prime factors of the number 54,890?

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 54,890

54,890
Factor Arrows
227,445
Factor Arrows
55,489
Factor Arrows
11499

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, 11, 499

We can check our work by multiplying all of the prime factors together: 2 x 5 x 11 x 499 = 54,890

This can also be written as 21 x 51 x 111 x 4991 = 54,890

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


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