题解 | 素数判断
素数判断
https://www.nowcoder.com/practice/5ab1b9690af047699e96c87dee65def4
import sys
n = int(input())
for line in sys.stdin:
a = int(line.strip())
if a > 2:
for i in range(2,a):
if a % i == 0:
print('No')
break
else:
print('Yes')
elif a == 2:
print("Yes")
elif a == 1:
print("No")
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