ⵢⴰⵏ ⴳ ⵡⴰⵎⵎⴰⴽⵏ ⵓⵔ ⵉⵎⵕⵡⵉⵏ ⴳ ⵜⵉⴼⵉⵜ ⵏ GCD ⵉ ⵙⵉⵏ ⵡⵓⵟⵟⵓⵏⵏ ⵉⵖⴰⵔⴰⵏⵏ a ⴷ b, ⵉⴳⴰ ⴰⵙⵙⵉⵟⵏ ⵏ ⴰⵎⴳⴰⵍ ⴰⵎⵛⵛⵓⵔ ⴳⵔⴰⵜⵙⵏ, ⴷ GCD ⵉⴳⴰ ⵓⵎⴳⴰⵍ ⴰⵎⵛⵛⵓⵔ ⴰⵅⴰⵜⴰⵔ.