What is the Least Common Multiple of 30380 and 30387?

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 30380 and 30387 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30380 and 30387, than apply into the LCM equation.

GCF(30380,30387) = 7
LCM(30380,30387) = ( 30380 × 30387) / 7
LCM(30380,30387) = 923157060 / 7
LCM(30380,30387) = 131879580

Least Common Multiple (LCM) of 30380 and 30387 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30380 and 30387. First we will calculate the prime factors of 30380 and 30387.

Prime Factorization of 30380

Prime Factorization of 30387

Now multiplying the highest exponent prime factors to calculate the LCM of 30380 and 30387.

LCM(30380,30387) = 2² × 5¹ × 7² × 31¹ × 3¹ × 1447¹
LCM(30380,30387) = 131879580