What is the Least Common Multiple of 89730 and 89738?

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 89730 and 89738 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89730 and 89738, than apply into the LCM equation.

GCF(89730,89738) = 2
LCM(89730,89738) = ( 89730 × 89738) / 2
LCM(89730,89738) = 8052190740 / 2
LCM(89730,89738) = 4026095370

Least Common Multiple (LCM) of 89730 and 89738 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89730 and 89738. First we will calculate the prime factors of 89730 and 89738.

Prime Factorization of 89730

Prime Factorization of 89738

Now multiplying the highest exponent prime factors to calculate the LCM of 89730 and 89738.

LCM(89730,89738) = 2¹ × 3² × 5¹ × 997¹ × 11¹ × 4079¹
LCM(89730,89738) = 4026095370