What is the Least Common Multiple of 91478 and 91484?

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 91478 and 91484 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91478 and 91484, than apply into the LCM equation.

GCF(91478,91484) = 2
LCM(91478,91484) = ( 91478 × 91484) / 2
LCM(91478,91484) = 8368773352 / 2
LCM(91478,91484) = 4184386676

Least Common Multiple (LCM) of 91478 and 91484 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91478 and 91484. First we will calculate the prime factors of 91478 and 91484.

Prime Factorization of 91478

Prime Factorization of 91484

Now multiplying the highest exponent prime factors to calculate the LCM of 91478 and 91484.

LCM(91478,91484) = 2² × 53¹ × 863¹ × 22871¹
LCM(91478,91484) = 4184386676