What is the Least Common Multiple of 91954 and 91972?

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 91954 and 91972 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91954 and 91972, than apply into the LCM equation.

GCF(91954,91972) = 2
LCM(91954,91972) = ( 91954 × 91972) / 2
LCM(91954,91972) = 8457193288 / 2
LCM(91954,91972) = 4228596644

Least Common Multiple (LCM) of 91954 and 91972 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91954 and 91972. First we will calculate the prime factors of 91954 and 91972.

Prime Factorization of 91954

Prime Factorization of 91972

Now multiplying the highest exponent prime factors to calculate the LCM of 91954 and 91972.

LCM(91954,91972) = 2² × 23¹ × 1999¹ × 22993¹
LCM(91954,91972) = 4228596644