Answer:
Public key encryption
Explanation:
DescriptionPublic-key cryptography, or asymmetric cryptography, is a cryptographic system that uses pairs of keys: public keys which may be disseminated widely, and private keys which are known only to the owner.
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What do you want me to do theres no question
Answer:
import math
def isPrime(num):
if num % 2 == 0 and num > 2:
return False
for i in range(3, int(math.sqrt(num)) + 1, 2):
if num % i == 0:
return False
return True
Explanation:
The solution is provided in the python programming language, firstly the math class is imported so we can use the square root method. The first if statement checks if the number is even and greater than 2 and returns False since all even numbers except two are not prime numbers.
Then using a for loop on a range (3, int(math.sqrt(num)) + 1, 2), the checks if the number evenly divides through i and returns False otherwise it returns True
see code and output attached