Kordarv Kordarvud on naturaalarvud, milles on kaks või rohkem tegurit. Kordarv on naturaalarv, mille saab esitada naturaalarvude korrutisena. Näiteks: 6 = 2 ⋅ 3 6 = 1 ⋅ 6 Arv 6 on kordarv. Arvu 6 tegurid on 1, 2, 3, 6 Play Game https://www.sheppardsoftware.com/math/numbers/fruit-splat-prime-composite-game/ […]
Erasmus+ project Dictionary of Mathematics 
Project webpage:
https://do-math.weebly.com/About us:
Estonia - Surju School
Greece - 3rd Primary School of Chalastra
Spain - CEIP Profesor Carlos Socas Muñoz