noun
multiplier; multiplier factor
Mathematical term for the number by which another number (the multiplicand) is multiplied. Used in arithmetic and algebra.
乗数が大きいほど積も大きくなる。
The larger the multiplier, the larger the product.
この式では、3が乗数で、5が被乗数です
In this expression, 3 is the multiplier and 5 is the multiplicand.