What is the Least Common Multiple of 72744 and 72764?

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 72744 and 72764 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72744 and 72764, than apply into the LCM equation.

GCF(72744,72764) = 4
LCM(72744,72764) = ( 72744 × 72764) / 4
LCM(72744,72764) = 5293144416 / 4
LCM(72744,72764) = 1323286104

Least Common Multiple (LCM) of 72744 and 72764 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72744 and 72764. First we will calculate the prime factors of 72744 and 72764.

Prime Factorization of 72744

Prime Factorization of 72764

Now multiplying the highest exponent prime factors to calculate the LCM of 72744 and 72764.

LCM(72744,72764) = 2³ × 3¹ × 7¹ × 433¹ × 18191¹
LCM(72744,72764) = 1323286104