What is the Least Common Multiple of 72689 and 72693?

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 72689 and 72693 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72689 and 72693, than apply into the LCM equation.

GCF(72689,72693) = 1
LCM(72689,72693) = ( 72689 × 72693) / 1
LCM(72689,72693) = 5283981477 / 1
LCM(72689,72693) = 5283981477

Least Common Multiple (LCM) of 72689 and 72693 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72689 and 72693. First we will calculate the prime factors of 72689 and 72693.

Prime Factorization of 72689

Prime Factorization of 72693

Now multiplying the highest exponent prime factors to calculate the LCM of 72689 and 72693.

LCM(72689,72693) = 72689¹ × 3² × 41¹ × 197¹
LCM(72689,72693) = 5283981477