SOLUTION: What is the smallest prime factor of 1821

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Question 18692: What is the smallest prime factor of 1821
Answer by venugopalramana(3286) About Me  (Show Source):
You can put this solution on YOUR website!
You have to try starting with 2,3 ,5 etc
We find that 2 does not divide 1821 and 3 divides 1821..so 3 is the smallest prime factor.