Các câu hỏi tương tự
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
Cho A = n-1/n+4
a,tim n de A la so nguyen to
b,tim n nguyen de A la mot so nguyen
tim n thuoc N sao cho
n.(n+6) la so nguyen to
n^2+10.n la so nguyen to
a, tim n de n^2 + 2006 la mot so chinh phuong
b, Cho n la so nguyen to lon hon 3. Hoi n^2 + 2006 la so nguyen to hay hop so.
tim so so nguyen n nho nhat sao cho n^2+5^n+1 la so nguyen to.
tra loi n=?
a) Cho S=1+7+7^2+7^3+7^4+...+7^30
Tim so n sao cho: 6S+1=7^n
b) tim so nguyen to p+2; p+8; p+16 la cac so nguyen to
CMR: bai toan chi co 1 dap so
cho n thuoc N* biet n-10,n+10,n+60 la so nguyen to . CMn+90 la so nguyen to
11 tháng 5 2019 lúc 21:22
tim cac so nguyen duong n sao cho n^2/60-n la 1 so nguyen to
Tìm số tự nhiên n để:
a/ n+1\(⋮\)n la so nguyen to chan
b/ 2n+3 \(⋮\)n la so nguyen to le