The greatest Prime number less than 20 is 19.
Not sure what "then twice" is unless you are wanting to double it, which becomes 38.
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The answer is 7 because it’s the greatest prime numbers that when doubled is less than 20. 7x2 = 14
What is the greatest palindromic number less than 999?
If the number is n then twice the number is 2n and 7 less than twice the number is 2n - 7This could also be a boolean variable based on another variable. If the number is less than or equal to 3.5, the variable is false. Otherwise, it is true.
One less than twice a number = (X times 2) minus 1, (where X = your number of choice).
20
The largest prime number less than 1000 is 997.The largest prime number no less than 1000 is currently 257,885,161-1