What is the Least Common Multiple of 91604 and 91618?

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 91604 and 91618 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91604 and 91618, than apply into the LCM equation.

GCF(91604,91618) = 2
LCM(91604,91618) = ( 91604 × 91618) / 2
LCM(91604,91618) = 8392575272 / 2
LCM(91604,91618) = 4196287636

Least Common Multiple (LCM) of 91604 and 91618 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91604 and 91618. First we will calculate the prime factors of 91604 and 91618.

Prime Factorization of 91604

Prime Factorization of 91618

Now multiplying the highest exponent prime factors to calculate the LCM of 91604 and 91618.

LCM(91604,91618) = 2² × 22901¹ × 19¹ × 2411¹
LCM(91604,91618) = 4196287636