Q: What are the prime factors of the number 333,503,148?

 A: 2, 3, 11, 293, 8623

Why are those the prime factors of the number 333,503,148?

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 333,503,148

333,503,148
Factor Arrows
2166,751,574
Factor Arrows
283,375,787
Factor Arrows
327,791,929
Factor Arrows
112,526,539
Factor Arrows
2938,623

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, 11, 293, 8623

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 11 x 293 x 8,623 = 333,503,148

This can also be written as 22 x 31 x 111 x 2931 x 8,6231 = 333,503,148

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


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