約やく数すう

noun

divisor; factor

Mathematical term for a number that divides another without a remainder. Used in arithmetic and number theory.

• 6の約やく数すうは1、2、3、6です。

  The divisors of 6 are 1, 2, 3, and 6.

• 12と18の公こう約やく数すうを求もとめなさい。

  Find the common divisors of 12 and 18.