tim so nguyen x
biet rang x+5 la so nguyen am nho nhat co 2 chu so
bai 2 tim so nguyen x biet rang x-7 la so nguyen am lon nhat co 2 chu so
nhanh len minh dang gap minh like nhanh len
so chinh phuong lon nhat co 3 chu so la:........?
(ai tra loi dung nhanh nhat minh tick cho 2 cai lun)
so nguyen to lon nhat co dang 3a1
1)chung to rang so nguyen to p;p>5 khi chia cho 6 chi co the du 1 hoac 5
2)chung minh rang neu p va p+2 la so nguyen to lon hon 3 thi p+1 la mot hop so
cac an giai giup minh minh dang can gap
ai giai nhanh minh tick cho
so nguyen am lon nhat co ba cho so voi so nguyen am lon nhat co hai chu so giong nhau la
cho so nguyen to nho nhat co dang 13a la
so nguyen to lon nhat co 3 chu so la ?
so nguyen to lon nhat co 3 chu so la
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