Q: What are the prime factors of the number 622,100?

 A: 2, 5, 6221

Why are those the prime factors of the number 622,100?

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 622,100

622,100
Factor Arrows
2311,050
Factor Arrows
2155,525
Factor Arrows
531,105
Factor Arrows
56,221

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, 6221

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 6,221 = 622,100

This can also be written as 22 x 52 x 6,2211 = 622,100

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


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