Cody

# Problem 44384. Find the nearest prime number

Solution 1297621

Submitted on 18 Oct 2017 by Sven
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### Test Suite

Test Status Code Input and Output
1   Pass
x = 0; y_correct = 2; assert(isequal(nearestprime(x),y_correct))

y = [] offPair = -1 1 y = 1×0 empty double row vector off = 1 y = 1×0 empty double row vector off = 2 y = 2 off = 3

2   Pass
x = 5; y_correct = 5; assert(isequal(nearestprime(x),y_correct))

y = [] offPair = -1 1 y = 5 off = 1

3   Pass
x = 100; y_correct = 101; assert(isequal(nearestprime(x),y_correct))

y = [] offPair = -1 1 y = 1×0 empty double row vector off = 1 y = 101 off = 2

4   Pass
x = 500; y_correct = 499; assert(isequal(nearestprime(x),y_correct))

y = [] offPair = -1 1 y = 1×0 empty double row vector off = 1 y = 499 off = 2

5   Pass
x = 911; y_correct = 911; assert(isequal(nearestprime(x),y_correct))

y = [] offPair = -1 1 y = 911 off = 1

6   Pass
x = 2500; y_correct = 2503; assert(isequal(nearestprime(x),y_correct))

y = [] offPair = -1 1 y = 1×0 empty double row vector off = 1 y = 1×0 empty double row vector off = 2 y = 1×0 empty double row vector off = 3 y = 2503 off = 4

7   Pass
x = 8000; y_correct = 7993; assert(isequal(nearestprime(x),y_correct))

y = [] offPair = -1 1 y = 1×0 empty double row vector off = 1 y = 1×0 empty double row vector off = 2 y = 1×0 empty double row vector off = 3 y = 1×0 empty double row vector off = 4 y = 1×0 empty double row vector off = 5 y = 1×0 empty double row vector off = 6 y = 1×0 empty double row vector off = 7 y = 7993 off = 8

8   Pass
x = 100000; y_correct = 100003; assert(isequal(nearestprime(x),y_correct))

y = [] offPair = -1 1 y = 1×0 empty double row vector off = 1 y = 1×0 empty double row vector off = 2 y = 1×0 empty double row vector off = 3 y = 100003 off = 4

9   Pass
x = 1300000; y_correct = 1299989; assert(isequal(nearestprime(x),y_correct))

y = [] offPair = -1 1 y = 1×0 empty double row vector off = 1 y = 1×0 empty double row vector off = 2 y = 1×0 empty double row vector off = 3 y = 1×0 empty double row vector off = 4 y = 1×0 empty double row vector off = 5 y = 1×0 empty double row vector off = 6 y = 1×0 empty double row vector off = 7 y = 1×0 empty double row vector off = 8 y = 1×0 empty double row vector off = 9 y = 1×0 empty double row vector off = 10 y = 1×0 empty double row vector off = 11 y = 1299989 off = 12

10   Pass
x = 179424710; y_correct = 179424719; assert(isequal(nearestprime(x),y_correct))

y = [] offPair = -1 1 y = 1×0 empty double row vector off = 1 y = 1×0 empty double row vector off = 2 y = 1×0 empty double row vector off = 3 y = 1×0 empty double row vector off = 4 y = 1×0 empty double row vector off = 5 y = 1×0 empty double row vector off = 6 y = 1×0 empty double row vector off = 7 y = 1×0 empty double row vector off = 8 y = 1×0 empty double row vector off = 9 y = 179424719 off = 10