Q: What are the prime factors of the number 102,303?

 A: 3, 421

Why are those the prime factors of the number 102,303?

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 102,303

102,303
Factor Arrows
334,101
Factor Arrows
311,367
Factor Arrows
33,789
Factor Arrows
31,263
Factor Arrows
3421

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:

3, 421

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 421 = 102,303

This can also be written as 35 x 4211 = 102,303

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


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