Cody

# Problem 981. Find nearest prime number less than input number

Solution 2783662

Submitted on 5 Aug 2020
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### Test Suite

Test Status Code Input and Output
1   Fail
n = 127; y_correct = 113; assert(isequal(minorprime(n),y_correct))

Undefined function 'isprimes' for input arguments of type 'double'. Error in minorprime (line 6) elseif isprimes(n) Error in Test1 (line 3) assert(isequal(minorprime(n),y_correct))

2   Fail
n = 125; y_correct = 113; assert(isequal(minorprime(n),y_correct))

Undefined function 'isprimes' for input arguments of type 'double'. Error in minorprime (line 6) elseif isprimes(n) Error in Test2 (line 3) assert(isequal(minorprime(n),y_correct))

3   Fail
n = 3; y_correct = 2; assert(isequal(minorprime(n),y_correct))

Undefined function 'isprimes' for input arguments of type 'double'. Error in minorprime (line 6) elseif isprimes(n) Error in Test3 (line 3) assert(isequal(minorprime(n),y_correct))

4   Pass
n = 2; y_correct = []; assert(isequal(minorprime(n),y_correct))

y = []

5   Fail
n = 1328; y_correct = 1327; assert(isequal(minorprime(n),y_correct))

Undefined function 'isprimes' for input arguments of type 'double'. Error in minorprime (line 6) elseif isprimes(n) Error in Test5 (line 3) assert(isequal(minorprime(n),y_correct))

6   Fail
n = 5050109; y_correct = 5050099; assert(isequal(minorprime(n),y_correct))

Undefined function 'isprimes' for input arguments of type 'double'. Error in minorprime (line 6) elseif isprimes(n) Error in Test6 (line 3) assert(isequal(minorprime(n),y_correct))

7   Fail
pn = primes(1e6); ind = max(100,floor(numel(pn)*rand)); n = pn(ind) - 1; y_correct = pn(ind - 1); assert(isequal(minorprime(n),y_correct))

Undefined function 'isprimes' for input arguments of type 'double'. Error in minorprime (line 6) elseif isprimes(n) Error in Test7 (line 5) assert(isequal(minorprime(n),y_correct))