là 1 số nguyên tố luôn
VD:2+5=7(nguyên tố)
5-2=3(nguyên tố)
là 1 số nguyên tố
k mk đi mấy cậu
tong hai so nguyen to la mot so nguyen to. Vay hieu hai so nguyen to la
Tong hai so nguyen so la mot so nguyen to. Vay hieu cua hai so do la bao nhieu?
tim so nguyen to P sao cho P vua la tong cua hai so nguyen to vua la hieu cua hai so nguyen to
Tim mot so nguyen to bang tong hai so nguyen to va bang hieu hai so nguyen to
cho 26 so nguyen,trong do tong cua 5 so bat ki la mot so nguyen duong.chung to rang tong cua 26 so nguyen da ch la mot so nguyen duong.
cho so nguyen to p va mot trong hai s 8p+1 va 8p-1 la so nguyen to ,so con lai la so nguyen to hay hop so?
tim so nguyen to p sao cho no vua la tong cua 2 so nguyen to vua la hieu cua 2 so nguyen to nao do ket qua bang 5 cho minh cach giai nha
Tim mot so nguyen to p biet rang p bang tong cua 2 so nguyen to va bang hieu cua hai so nguyen to.
Giup minh nha cac bn, minh gap lam.
