What is the Least Common Multiple of 18988 and 18994?

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 18988 and 18994 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18988 and 18994, than apply into the LCM equation.

GCF(18988,18994) = 2
LCM(18988,18994) = ( 18988 × 18994) / 2
LCM(18988,18994) = 360658072 / 2
LCM(18988,18994) = 180329036

Least Common Multiple (LCM) of 18988 and 18994 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18988 and 18994. First we will calculate the prime factors of 18988 and 18994.

Prime Factorization of 18988

Prime Factorization of 18994

Now multiplying the highest exponent prime factors to calculate the LCM of 18988 and 18994.

LCM(18988,18994) = 2² × 47¹ × 101¹ × 9497¹
LCM(18988,18994) = 180329036