Q: What are the prime factors of the number 505,896?

 A: 2, 3, 107, 197

Why are those the prime factors of the number 505,896?

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 505,896

505,896
Factor Arrows
2252,948
Factor Arrows
2126,474
Factor Arrows
263,237
Factor Arrows
321,079
Factor Arrows
107197

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, 3, 107, 197

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 107 x 197 = 505,896

This can also be written as 23 x 31 x 1071 x 1971 = 505,896

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


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