What is the Least Common Multiple of 38940 and 38958?

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 38940 and 38958 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38940 and 38958, than apply into the LCM equation.

GCF(38940,38958) = 6
LCM(38940,38958) = ( 38940 × 38958) / 6
LCM(38940,38958) = 1517024520 / 6
LCM(38940,38958) = 252837420

Least Common Multiple (LCM) of 38940 and 38958 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38940 and 38958. First we will calculate the prime factors of 38940 and 38958.

Prime Factorization of 38940

Prime Factorization of 38958

Now multiplying the highest exponent prime factors to calculate the LCM of 38940 and 38958.

LCM(38940,38958) = 2² × 3¹ × 5¹ × 11¹ × 59¹ × 43¹ × 151¹
LCM(38940,38958) = 252837420