GCF and LCM Calculator Logo

What is the Least Common Multiple of 983 and 989?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 983 and 989 is 972187.

LCM(983,989) = 972187

LCM Calculator and
and

Least Common Multiple of 983 and 989 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 983 and 989, than apply into the LCM equation.

GCF(983,989) = 1
LCM(983,989) = ( 983 × 989) / 1
LCM(983,989) = 972187 / 1
LCM(983,989) = 972187

Least Common Multiple (LCM) of 983 and 989 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 983 and 989. First we will calculate the prime factors of 983 and 989.

Prime Factorization of 983

Prime factors of 983 are 983. Prime factorization of 983 in exponential form is:

983 = 9831

Prime Factorization of 989

Prime factors of 989 are 23, 43. Prime factorization of 989 in exponential form is:

989 = 231 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 983 and 989.

LCM(983,989) = 9831 × 231 × 431
LCM(983,989) = 972187