What is the Least Common Multiple of 87946 and 87964?

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 87946 and 87964 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87946 and 87964, than apply into the LCM equation.

GCF(87946,87964) = 2
LCM(87946,87964) = ( 87946 × 87964) / 2
LCM(87946,87964) = 7736081944 / 2
LCM(87946,87964) = 3868040972

Least Common Multiple (LCM) of 87946 and 87964 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87946 and 87964. First we will calculate the prime factors of 87946 and 87964.

Prime Factorization of 87946

Prime Factorization of 87964

Now multiplying the highest exponent prime factors to calculate the LCM of 87946 and 87964.

LCM(87946,87964) = 2² × 43973¹ × 21991¹
LCM(87946,87964) = 3868040972