tim so nguyen to P sao cho P+94 va P+1994 deu la so nguyen to
Bai 1:tim so nguyen P biet P+2va P+4 deu la nguyen to
bai 2: tong 2^100×7×11+81^3 la nguen to hay hop so ( giai thich)
Bai 3: tim so nguyen to P de P +2,p+6,P+8 deu la cac so nguyen to
tim so nguyen to p sao cho p+2 va p+4 deu la so nguyen to ???
1) Tim so nguyen to P de co:
a) P+10 va P+14 deu la so nguyen to
b) P+2 ;P+6 va P+8 deu la so nguyen to
tim so nguyen to p biet p+2;p+6va p+8 deu la so nguyen to
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
tim so nguyen to p sao cho:
a,p+2 va p+4 la so nguyen to
b,p+2 va p+6 va p+8 la so nguyen to
c,p+10 va p+14 la so nguyen to
cho p la so nguyen to > 5 . biet p + 4 , p+3 , p+2 deu la so nguyen to . chung minh p +96 la hop so
Tim so nguyen to p de p, p+2, p+4 deu la cac so nguyen to
