What is the Least Common Multiple of 38980 and 39000?

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 38980 and 39000 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38980 and 39000, than apply into the LCM equation.

GCF(38980,39000) = 20
LCM(38980,39000) = ( 38980 × 39000) / 20
LCM(38980,39000) = 1520220000 / 20
LCM(38980,39000) = 76011000

Least Common Multiple (LCM) of 38980 and 39000 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38980 and 39000. First we will calculate the prime factors of 38980 and 39000.

Prime Factorization of 38980

Prime Factorization of 39000

Now multiplying the highest exponent prime factors to calculate the LCM of 38980 and 39000.

LCM(38980,39000) = 2³ × 5³ × 1949¹ × 3¹ × 13¹
LCM(38980,39000) = 76011000