Buggy python submission (verdict: Time Limit Exceeded):
def primes(n):
    is_prime = [True] * (n + 1)
    is_prime[0] = False
    is_prime[1] = False
    for i in range(2, int(n**0.5) + 1):
        if not is_prime[i]:
            continue
        for j in range(i * 2, n + 1, i):
            is_prime[j] = False
    return {i:0 for i in range(n + 1) if is_prime[i]}

n = int(input())
a = list(map(int,input().split()))
d = primes(max(a))

for i in range(n):
    for k in d.keys():
        flag = False
        while True:
            if a[i] % k == 0:
                a[i] //= k
                flag = True
            else:
                break
        if flag:
            d[k] += 1
        if a[i] == 1:
            break
flag = True
for v in d.values():
    if v == n:
        print("not coprime")
        exit()
    elif v > 1:
        flag = False

if flag:
    print("pairwise coprime")
else:
    print("setwise coprime")

Fixed submission:
def primes(n):
    is_prime = [-1] * (n + 1)
    is_prime[0] = 0
    is_prime[1] = 1
    for i in range(2, n + 1):
        if is_prime[i] != -1:
            continue
        for j in range(i, n + 1, i):
            if is_prime[j] == -1:
                is_prime[j] = i
    return is_prime

n = int(input())
a = list(map(int,input().split()))
s = primes(max(a))
d = {}
for i in a:
    now = i
    while s[now] != 1:
        t = s[now]
        d[t] = d.get(s[now],0) + 1
        while now % t == 0:
            now //= t
            
                
            
    
flag = True
for v in d.values():
    if v == n:
        print("not coprime")
        exit()
    elif v > 1:
        flag = False

if flag:
    print("pairwise coprime")
else:
    print("setwise coprime")

Buggy python submission (verdict: Time Limit Exceeded):
def primes(n):
    is_prime = [True] * (n + 1)
    is_prime[0] = False
    is_prime[1] = False
    for i in range(2, int(n**0.5) + 1):
        if not is_prime[i]:
            continue
        for j in range(i * 2, n + 1, i):
            is_prime[j] = False
    return {i:0 for i in range(n + 1) if is_prime[i]}

n = int(input())
a = list(map(int,input().split()))
d = primes(max(a))

for i in a:
    for k , v in d.items():
        if i % k == 0:
            d[k] += 1
flag = True  
for v in d.values():
    if v == n:
        print("not coprime")
        exit()
    elif v > 1:
        flag = False
if flag:
    print("pairwise coprime")
else:
    print("setwise coprime")

Fixed submission:
def primes(n):
    is_prime = [-1] * (n + 1)
    is_prime[0] = 0
    is_prime[1] = 1
    for i in range(2, n + 1):
        if is_prime[i] != -1:
            continue
        for j in range(i, n + 1, i):
            if is_prime[j] == -1:
                is_prime[j] = i
    return is_prime

n = int(input())
a = list(map(int,input().split()))
s = primes(max(a))
d = {}
for i in a:
    now = i
    while s[now] != 1:
        t = s[now]
        d[t] = d.get(s[now],0) + 1
        while now % t == 0:
            now //= t
            
                
            
    
flag = True
for v in d.values():
    if v == n:
        print("not coprime")
        exit()
    elif v > 1:
        flag = False

if flag:
    print("pairwise coprime")
else:
    print("setwise coprime")