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Results tagged with primes
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user 34642
For challenges about identifying and manipulating prime numbers
1
vote
Is it a Mersenne Prime?
Python 3, 68 bytes
a=int(input());print(a&-~a<1and a>1and all(a%b for b in range(2,a)))
Try it here
Python 2, 63 bytes
a=input();print(a&-~a<1)and a>1and all(a%b for b in range(2,a))
Try it here
Th …
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