1 ;2;3;5;7;11;13;17;19;23;29;31;37;41;43;47;49;51;53;57;59;61;67;71;73;79;81;83;87;89;91;97
Trang cuối hoặc gần cuối của SGK lớp 6 (hình như tập 1).
cho p la so nguyen to lon hon 3. Biet 8p+1 va p deu la so nguyen to (p lon hon 3).Hoi p+100 la so nguyen to hay hop so
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
cho P la so nguyen to lon hon e
a)chung to rang P co dang 6k+1hoac 6k+3
b)biet 8P+1va P deu la so nguyen to(Plon hon 3).Hoi P+100 ;a so nguyen to hay hop so
a)Viet tap hop A cac chu so lon hon 5 nhung be hon12.
hay lap ra 1 bang so nguyen to nho hon 100
ai tra loi duoc ket ban voi minh nhe
a)viet tap hop C cac so chan lon hon 10 nhung nho hon 20 ;b) viet tap hop cac so chan lon hon 10 nhung nho hon 20
Viet tap hop P can do Nguyen to ma p^2 be hon hoax bang 361.
hai cap so nguyen to hon kem nhau 2 don vi goi la cap so nguyen to sinh doi. tim cac cap so nguyen to sinh doi nho hon 100
tong cua 2 so nguyen to lon hon 2 la so nguyen to hay hop so ? Tai sao ?
