What is the Least Common Multiple of 76638 and 76643?

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 76638 and 76643 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76638 and 76643, than apply into the LCM equation.

GCF(76638,76643) = 1
LCM(76638,76643) = ( 76638 × 76643) / 1
LCM(76638,76643) = 5873766234 / 1
LCM(76638,76643) = 5873766234

Least Common Multiple (LCM) of 76638 and 76643 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76638 and 76643. First we will calculate the prime factors of 76638 and 76643.

Prime Factorization of 76638

Prime Factorization of 76643

Now multiplying the highest exponent prime factors to calculate the LCM of 76638 and 76643.

LCM(76638,76643) = 2¹ × 3¹ × 53¹ × 241¹ × 7¹ × 10949¹
LCM(76638,76643) = 5873766234