Các câu hỏi tương tự
tim n thuoc N de 3n + 60 la so nguyen to
tim n thuoc N de 2^n-1 va 2^n+1 la so nguyen to
tim n thuoc Z de so p=10/n^2+4 la so nguyen to chan
cho B=n/n-3(n thuoc Z , n khac 3)
tim tat ca cac gia tri nguyen cua n de B la so nguyen
CHo C= 3n+5.n+7(n thuoc Z, N khac -7)
tim tat ca cac gia tri nguyen cua n de C la so nguyen
TIM N THUOC N DE 3N+2VA 4N+5 LA 2 SO NGUYEN TO CUNG NHAU
Cho biểu thuc A=p×k voi p cho truoc la so nguyen to. Tim k thuoc N* de tich A la so nguyen to
Trinh bay han ra co ly mink cho 3 tick
tim x thuoc N biet 97.x la so nguyen to ( . la dau nhan)
A = 2/ x-1 .tim dieu kien cua x de A la phan so . tim A khi x = 2 ; x = -3. tim dieu kien cua x de A la so nguyen ( A thuoc Z )
Bai1 a,cho n thuoc N. Chung minh rang 6n+5 va 4n+3 la 2 so nguyen to cung nhau
b, tim so nguyen x sao cho x+2016 la so nguyen duong nho nhat