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Python sympy | sieve.search() method

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With the help of sympy.sieve.search() method, we can find the indices i, j of the primes that bound a given number. If the given number is prime then i == j.

Syntax: sieve.search(n)
Parameter:
n – It denotes the number whose bounding prime indices is found.

Returns: Returns a tuple containing the bounding prime indices of n.

Example #1:




# import sympy 
from sympy import sieve
  
# Use sieve.search() method 
i, j = sieve.search(23
      
print("The bounding prime indices of the number 23 : {}, {}".format(i, j))  


Output:

The bounding prime indices of the number 23 : 9, 9

Example #2:




# import sympy 
from sympy import sieve
  
# Use sieve.search() method 
i, j = sieve.search(25
      
print("The bounding prime indices of the number 23 : {}, {}".format(i, j))      


Output:

The bounding prime indices of the number 23 : 9, 10

Last Updated : 27 Aug, 2019
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