What is the Least Common Multiple of 73720 and 73732?

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 73720 and 73732 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73720 and 73732, than apply into the LCM equation.

GCF(73720,73732) = 4
LCM(73720,73732) = ( 73720 × 73732) / 4
LCM(73720,73732) = 5435523040 / 4
LCM(73720,73732) = 1358880760

Least Common Multiple (LCM) of 73720 and 73732 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73720 and 73732. First we will calculate the prime factors of 73720 and 73732.

Prime Factorization of 73720

Prime Factorization of 73732

Now multiplying the highest exponent prime factors to calculate the LCM of 73720 and 73732.

LCM(73720,73732) = 2³ × 5¹ × 19¹ × 97¹ × 18433¹
LCM(73720,73732) = 1358880760