What is the Least Common Multiple of 38940 and 38946?

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 38946 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 38946, than apply into the LCM equation.

GCF(38940,38946) = 6
LCM(38940,38946) = ( 38940 × 38946) / 6
LCM(38940,38946) = 1516557240 / 6
LCM(38940,38946) = 252759540

Least Common Multiple (LCM) of 38940 and 38946 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38940 and 38946. First we will calculate the prime factors of 38940 and 38946.

Prime Factorization of 38940

Prime Factorization of 38946

Now multiplying the highest exponent prime factors to calculate the LCM of 38940 and 38946.

LCM(38940,38946) = 2² × 3¹ × 5¹ × 11¹ × 59¹ × 6491¹
LCM(38940,38946) = 252759540