What is the Least Common Multiple of 79930 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 79930 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 79930 and 79938, than apply into the LCM equation.

GCF(79930,79938) = 2
LCM(79930,79938) = ( 79930 × 79938) / 2
LCM(79930,79938) = 6389444340 / 2
LCM(79930,79938) = 3194722170

Least Common Multiple (LCM) of 79930 and 79938 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79930 and 79938. First we will calculate the prime factors of 79930 and 79938.

Prime Factorization of 79930

Prime Factorization of 79938

Now multiplying the highest exponent prime factors to calculate the LCM of 79930 and 79938.

LCM(79930,79938) = 2¹ × 5¹ × 7993¹ × 3² × 4441¹
LCM(79930,79938) = 3194722170