What is the Least Common Multiple of 3078 and 3090?

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 3078 and 3090 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3078 and 3090, than apply into the LCM equation.

GCF(3078,3090) = 6
LCM(3078,3090) = ( 3078 × 3090) / 6
LCM(3078,3090) = 9511020 / 6
LCM(3078,3090) = 1585170

Least Common Multiple (LCM) of 3078 and 3090 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3078 and 3090. First we will calculate the prime factors of 3078 and 3090.

Prime Factorization of 3078

Prime Factorization of 3090

Now multiplying the highest exponent prime factors to calculate the LCM of 3078 and 3090.

LCM(3078,3090) = 2¹ × 3⁴ × 19¹ × 5¹ × 103¹
LCM(3078,3090) = 1585170