Is 93 prime?

1 Answer
EZ as pi
Nov 15, 2016

No, 9393 is divisible by 3, it is therefore not prime.

Explanation:

By inspection you should be able to see that 9393 is definitely not prime .... it clearly divides by 3!

93 div 3 = 3193รท3=31

There are 25 prime numbers less than 100.

Be careful of the following five numbers which are often mistakenly thought to be prime.

1" "51" "57" "87" "911 51 57 87 91

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