Cody

# Problem 44385. Extra safe primes

Solution 1732052

Submitted on 21 Feb 2019 by Daniel Bergman
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### Test Suite

Test Status Code Input and Output
1   Pass
x = 0; assert(isequal(isextrasafe(x),false))

-0.5000 -0.7500 tf = logical 0

2   Pass
x = 5; assert(isequal(isextrasafe(x),false))

2.0000 0.5000 tf = logical 0

3   Pass
x = 7; assert(isequal(isextrasafe(x),false))

3 1 tf = logical 0

4   Pass
x = 11; assert(isequal(isextrasafe(x),true))

5 2 tf = logical 1

5   Pass
x = 15; assert(isequal(isextrasafe(x),false))

7 3 tf = logical 0

6   Pass
x = 23; assert(isequal(isextrasafe(x),true))

11 5 tf = logical 1

7   Pass
x = 71; assert(isequal(isextrasafe(x),false))

35 17 tf = logical 0

8   Pass
x = 719; assert(isequal(isextrasafe(x),true))

359 179 tf = logical 1

9   Pass
x = 2039; assert(isequal(isextrasafe(x),true))

1019 509 tf = logical 1

10   Pass
x = 2040; assert(isequal(isextrasafe(x),false))

1.0e+03 * 1.0195 0.5092 tf = logical 0

11   Pass
x = 5807; assert(isequal(isextrasafe(x),true))

2903 1451 tf = logical 1