Cody

# Problem 44385. Extra safe primes

Solution 2190847

Submitted on 3 Apr 2020 by Martin C.
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### Test Suite

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

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

tf = logical 0

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

p = 1 tf = logical 0

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

p = 2 tf = logical 1

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

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

p = 5 tf = logical 1

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

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

p = 179 tf = logical 1

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

p = 509 tf = logical 1

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

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

p = 1451 tf = logical 1

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