What is the Least Common Multiple of 37980 and 37998?

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 37980 and 37998 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 37980 and 37998, than apply into the LCM equation.

GCF(37980,37998) = 18
LCM(37980,37998) = ( 37980 × 37998) / 18
LCM(37980,37998) = 1443164040 / 18
LCM(37980,37998) = 80175780

Least Common Multiple (LCM) of 37980 and 37998 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 37980 and 37998. First we will calculate the prime factors of 37980 and 37998.

Prime Factorization of 37980

Prime Factorization of 37998

Now multiplying the highest exponent prime factors to calculate the LCM of 37980 and 37998.

LCM(37980,37998) = 2² × 3² × 5¹ × 211¹ × 2111¹
LCM(37980,37998) = 80175780