Q: What are the prime factors of the number 526,128?

 A: 2, 3, 97, 113

Why are those the prime factors of the number 526,128?

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 526,128

526,128
Factor Arrows
2263,064
Factor Arrows
2131,532
Factor Arrows
265,766
Factor Arrows
232,883
Factor Arrows
310,961
Factor Arrows
97113

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, 97, 113

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 97 x 113 = 526,128

This can also be written as 24 x 31 x 971 x 1131 = 526,128

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


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