What is the Least Common Multiple of 89780 and 89788?

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 89780 and 89788 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89780 and 89788, than apply into the LCM equation.

GCF(89780,89788) = 4
LCM(89780,89788) = ( 89780 × 89788) / 4
LCM(89780,89788) = 8061166640 / 4
LCM(89780,89788) = 2015291660

Least Common Multiple (LCM) of 89780 and 89788 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89780 and 89788. First we will calculate the prime factors of 89780 and 89788.

Prime Factorization of 89780

Prime Factorization of 89788

Now multiplying the highest exponent prime factors to calculate the LCM of 89780 and 89788.

LCM(89780,89788) = 2² × 5¹ × 67² × 22447¹
LCM(89780,89788) = 2015291660