Q: What are the prime factors of the number 55,624?

 A: 2, 17, 409

Why are those the prime factors of the number 55,624?

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 55,624

55,624
Factor Arrows
227,812
Factor Arrows
213,906
Factor Arrows
26,953
Factor Arrows
17409

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, 17, 409

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 17 x 409 = 55,624

This can also be written as 23 x 171 x 4091 = 55,624

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


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