What is the Least Common Multiple of 30978 and 30994?

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 30978 and 30994 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30978 and 30994, than apply into the LCM equation.

GCF(30978,30994) = 2
LCM(30978,30994) = ( 30978 × 30994) / 2
LCM(30978,30994) = 960132132 / 2
LCM(30978,30994) = 480066066

Least Common Multiple (LCM) of 30978 and 30994 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30978 and 30994. First we will calculate the prime factors of 30978 and 30994.

Prime Factorization of 30978

Prime Factorization of 30994

Now multiplying the highest exponent prime factors to calculate the LCM of 30978 and 30994.

LCM(30978,30994) = 2¹ × 3² × 1721¹ × 15497¹
LCM(30978,30994) = 480066066