What is the Least Common Multiple of 91878 and 91892?

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 91878 and 91892 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91878 and 91892, than apply into the LCM equation.

GCF(91878,91892) = 2
LCM(91878,91892) = ( 91878 × 91892) / 2
LCM(91878,91892) = 8442853176 / 2
LCM(91878,91892) = 4221426588

Least Common Multiple (LCM) of 91878 and 91892 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91878 and 91892. First we will calculate the prime factors of 91878 and 91892.

Prime Factorization of 91878

Prime Factorization of 91892

Now multiplying the highest exponent prime factors to calculate the LCM of 91878 and 91892.

LCM(91878,91892) = 2² × 3¹ × 15313¹ × 22973¹
LCM(91878,91892) = 4221426588