Derived number graph tree making out the divisability, prime number and its complexity.
Vũ Trọng Quế · Journal of Computer Science and Cybernetics · 2012
The article is on the graph tree labelled with natural digits deriving natural numbers no more than 10 m , in which m is a natural number.The graph tree shows the divisibility, prime number and its complexity.T6rn t.{t.Bai nay trmh bay thu~t toan xay dirng cay sinh so dean nh~n tfnh d~ng dtr cda cac so tv-nhien nho hen 10 TT • v&i m la so tv-nhien dircng hiru han thy y. 1. MO'DAU D thi la nganh khoa hoc diro'c phat trign tit lau va co nhieu irng dung hi~n dai.Nhidu y ttr6ng CO" bin cua no diroc dtra ra tit the ky 18 b6-i nha toan hoc ThVY sy Leonhard Euler.Ong dii dung dthi M giai quyet bai toan cau Konigberg n5i tieng.Thirc te do thi diro'c ap dung dg giai quyel nhieu loai bai toan trong cac linh vue khoa hoc khac nhau nhir V~t ly, Hoa hoc ... va nhieu Iinh v1!'c trong dOi s5ng xii h9i nhtr xay dung, giao thOng v~n tai, truy'en thong, ... D~bi~t trr khi Tin h9C ra do-i, vi~c dung d thi d~giii quygt cac bai toan tren may tinh diroc thu~n Io'i va nhanh gon hoa Bai bao nay trinh bay thu~t toan xfiy dung cay sinh so dean nh~n tfnh dong dir va so nguyen to, Day la m9t minh hoa ve trng dung ciia If thuyet do thi trong so hoc.