最大公约数

• 日(sun; day)ASSOCIATIVE
• 取(take; grasp)PHONO-SEMANTIC

The sun shines highest in the sky, as if grasping the topmost position.

• 大(person stretching limbs; figure of person with outstretched arms and legs)ASSOCIATIVE

A person standing with arms and legs spread wide symbolizes greatness and magnificence.

• 八(eight; split in two)RADICAL
• 厶(private; personal)ASSOCIATIVE

Public means sharing your private things with everyone to become shared property.

• 糹(thread; silk thread)RADICAL
• 勺(spoon; scoop)PHONO-SEMANTIC

Using a thread to tie things together like scooping water suggests the idea of binding, restraint, and covenant.

• 娄(many times; piled up)PHONO-SEMANTIC
• 攵(tap; hand motion)RADICAL

Counting numbers is using your hand to tap repeatedly many times in order to calculate.