tinh gia tri bieu thuc roi phan tich ket qua ra thua so nguyen to
250x5:2=...
phan tich ra thua so nguyen to:....
Phan tich 100 ra thua thua so nguyen to.
Tich C=201x202x203x ... x600 co chua bao nhieu thua so 3 khi phan tich ra thua so nguyen to
phan tich so 1111111111 ra thua so nguyen to
phan tich 8840 ra thua so nguyen to (so do cay)
11111 co phai la so nguyen to khong .neu la hop so thi hay phan tich ra thua so nguyen to
phan tich so 360 ra thua so nguyen to
phan tich so 150,240 ra thua so nguyen to
phan tich so 368 ra thua so nguyen to theo hang doc