Các câu hỏi tương tự
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 n thuoc N biet so n co 30 uoc va khi phan tich thanh thua so nguyen to thi co dang n = 2^x × 3^y biet x+y =8
Tim n thuoc N , biet so n co 30 uoc va khi phan tich thanh thua so nguyen to thi co dang n = 2^x × 3^y biet x + y = 8
1.Tren nua mp bo chua tia Ox,ve cac tia Ox1,Ox2,Ox3,...,OxN sao cho:
xOx2=2xOx1,xOx3=3xOx1,.......,xOxN=NxOx1.tim so N nho nhat de trong cac tia da ve co mot tia la tia phan giac chung cua 2017 goc
2.CMR:neu p la so nguyen to lon hon 3 va 2p+1 cung la so nguyen to thi 4p+1 la hop so
3.So sanh: 63^15 va 34^18
4.tim cac so tu nhien n co hai chu so biet:2n+1 va 3n+1 deu la so chinh phuong
5.CMR: S=16^5+2^15 chia het cho 33
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
cho a la 1 hop so, khi phan tich ra thua so nguyen to chi chua hai thua so nguyen to khac nhau la P 1 va P 2. biet a^3 co tat ca 40 uoc. Hoi a ^2 co bao nhieu uoc
cho n la so nguyen to lon hon 3. hoi n^2 la nguyen to hay hop so. ai lam loi giai va lam dung la duoc tich
cho dap an la hop so nhung phai lam cach lam
so tu nhien n lon nhat co dung 30 uoc so va khi phan tich thanh thua so nguyen to thi co danh n = 2^x . 3^y trong do y +x =8
tim so tu nhien n, biet rang so n co 30 uoc va khi phan tich thanh thua so nguyen to thi co dang:
n=2n *3y trong do x+y=8