What is the Least Common Multiple of 20973 and 20983?

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 of 20973 and 20983 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20973 and 20983, than apply into the LCM equation.

GCF(20973,20983) = 1
LCM(20973,20983) = ( 20973 × 20983) / 1
LCM(20973,20983) = 440076459 / 1
LCM(20973,20983) = 440076459

Least Common Multiple (LCM) of 20973 and 20983 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20973 and 20983. First we will calculate the prime factors of 20973 and 20983.

Prime Factorization of 20973

Prime Factorization of 20983

Now multiplying the highest exponent prime factors to calculate the LCM of 20973 and 20983.

LCM(20973,20983) = 3¹ × 6991¹ × 20983¹
LCM(20973,20983) = 440076459