What is the Least Common Multiple of 79918 and 79938?

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 79918 and 79938 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79918 and 79938, than apply into the LCM equation.

GCF(79918,79938) = 2
LCM(79918,79938) = ( 79918 × 79938) / 2
LCM(79918,79938) = 6388485084 / 2
LCM(79918,79938) = 3194242542

Least Common Multiple (LCM) of 79918 and 79938 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79918 and 79938. First we will calculate the prime factors of 79918 and 79938.

Prime Factorization of 79918

Prime Factorization of 79938

Now multiplying the highest exponent prime factors to calculate the LCM of 79918 and 79938.

LCM(79918,79938) = 2¹ × 31¹ × 1289¹ × 3² × 4441¹
LCM(79918,79938) = 3194242542