What is the Least Common Multiple of 72661 and 72668?

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 72661 and 72668 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72661 and 72668, than apply into the LCM equation.

GCF(72661,72668) = 1
LCM(72661,72668) = ( 72661 × 72668) / 1
LCM(72661,72668) = 5280129548 / 1
LCM(72661,72668) = 5280129548

Least Common Multiple (LCM) of 72661 and 72668 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72661 and 72668. First we will calculate the prime factors of 72661 and 72668.

Prime Factorization of 72661

Prime Factorization of 72668

Now multiplying the highest exponent prime factors to calculate the LCM of 72661 and 72668.

LCM(72661,72668) = 72661¹ × 2² × 37¹ × 491¹
LCM(72661,72668) = 5280129548