Q: What are the prime factors of the number 303,233,021?

 A: 7, 13, 73, 6521

Why are those the prime factors of the number 303,233,021?

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 303,233,021

303,233,021
Factor Arrows
743,319,003
Factor Arrows
76,188,429
Factor Arrows
13476,033
Factor Arrows
736,521

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:

7, 13, 73, 6521

We can check our work by multiplying all of the prime factors together: 7 x 7 x 13 x 73 x 6,521 = 303,233,021

This can also be written as 72 x 131 x 731 x 6,5211 = 303,233,021

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


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