Q: What are the prime factors of the number 53,173,266?

 A: 2, 3, 97, 211, 433

Why are those the prime factors of the number 53,173,266?

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 53,173,266

53,173,266
Factor Arrows
226,586,633
Factor Arrows
38,862,211
Factor Arrows
9791,363
Factor Arrows
211433

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, 211, 433

We can check our work by multiplying all of the prime factors together: 2 x 3 x 97 x 211 x 433 = 53,173,266

This can also be written as 21 x 31 x 971 x 2111 x 4331 = 53,173,266

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


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