Definition

1. Noun (Mathematics):
   • Common measure: A quantity that divides two or more given quantities exactly, without leaving a remainder. It is a third quantity of the same kind that is a divisor of the other two.
   • Common divisor: A number that can divide two or more other numbers evenly.

Usage Examples

• Noun:
  • Số 3 là một thông ước của 12 và 15. (The number 3 is a common divisor of 12 and 15.)
  • Để đơn giản hóa tỉ số, chúng ta tìm thông ước lớn nhất. (To simplify the ratio, we find the greatest common divisor.)

Advanced Usage

• In algebra, a thông ước can refer to a common factor of two or more algebraic expressions.
  • Trong biểu thức này, '(x+1)' là một thông ước. (In this expression, '(x+1)' is a common factor.)

Variants and Related Words

• Ước số chung: Common divisor (a direct synonym).
• Ước chung lớn nhất (ƯCLN): Greatest common divisor (GCD).

Synonyms

• Common divisor
• Common factor
• Common measure

Related Terms

• Bội số chung: Common multiple.
• Số nguyên tố cùng nhau: Relatively prime numbers (numbers whose greatest common divisor is 1).