What is the Least Common Multiple of 72660 and 72669?

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 72660 and 72669 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72660 and 72669, than apply into the LCM equation.

GCF(72660,72669) = 3
LCM(72660,72669) = ( 72660 × 72669) / 3
LCM(72660,72669) = 5280129540 / 3
LCM(72660,72669) = 1760043180

Least Common Multiple (LCM) of 72660 and 72669 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72660 and 72669. First we will calculate the prime factors of 72660 and 72669.

Prime Factorization of 72660

Prime Factorization of 72669

Now multiplying the highest exponent prime factors to calculate the LCM of 72660 and 72669.

LCM(72660,72669) = 2² × 3¹ × 5¹ × 7¹ × 173¹ × 24223¹
LCM(72660,72669) = 1760043180