What is the Least Common Multiple of 39124 and 39138?

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 39124 and 39138 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39124 and 39138, than apply into the LCM equation.

GCF(39124,39138) = 2
LCM(39124,39138) = ( 39124 × 39138) / 2
LCM(39124,39138) = 1531235112 / 2
LCM(39124,39138) = 765617556

Least Common Multiple (LCM) of 39124 and 39138 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39124 and 39138. First we will calculate the prime factors of 39124 and 39138.

Prime Factorization of 39124

Prime Factorization of 39138

Now multiplying the highest exponent prime factors to calculate the LCM of 39124 and 39138.

LCM(39124,39138) = 2² × 9781¹ × 3¹ × 11¹ × 593¹
LCM(39124,39138) = 765617556