What is the Least Common Multiple of 33981 and 33990?

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 33981 and 33990 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 33981 and 33990, than apply into the LCM equation.

GCF(33981,33990) = 3
LCM(33981,33990) = ( 33981 × 33990) / 3
LCM(33981,33990) = 1155014190 / 3
LCM(33981,33990) = 385004730

Least Common Multiple (LCM) of 33981 and 33990 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 33981 and 33990. First we will calculate the prime factors of 33981 and 33990.

Prime Factorization of 33981

Prime Factorization of 33990

Now multiplying the highest exponent prime factors to calculate the LCM of 33981 and 33990.

LCM(33981,33990) = 3¹ × 47¹ × 241¹ × 2¹ × 5¹ × 11¹ × 103¹
LCM(33981,33990) = 385004730