What is the Least Common Multiple of 72681 and 72687?

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 72681 and 72687 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72681 and 72687, than apply into the LCM equation.

GCF(72681,72687) = 3
LCM(72681,72687) = ( 72681 × 72687) / 3
LCM(72681,72687) = 5282963847 / 3
LCM(72681,72687) = 1760987949

Least Common Multiple (LCM) of 72681 and 72687 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72681 and 72687. First we will calculate the prime factors of 72681 and 72687.

Prime Factorization of 72681

Prime Factorization of 72687

Now multiplying the highest exponent prime factors to calculate the LCM of 72681 and 72687.

LCM(72681,72687) = 3¹ × 7¹ × 3461¹ × 24229¹
LCM(72681,72687) = 1760987949