2 prime number between 20 and 30 July 8, 2019 16 32 64 128 A number between 20 and 30 has 2 prime factors and 3 composite factors 2 phút hơn pháo 1 hours 2 times ann lee 1 hour 1 2 or 3 😍😍😍 #бытия Плюс минус 23 12 - + 23
