What is the Least Common Multiple of 8918 and 8938?

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 8918 and 8938 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8918 and 8938, than apply into the LCM equation.

GCF(8918,8938) = 2
LCM(8918,8938) = ( 8918 × 8938) / 2
LCM(8918,8938) = 79709084 / 2
LCM(8918,8938) = 39854542

Least Common Multiple (LCM) of 8918 and 8938 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8918 and 8938. First we will calculate the prime factors of 8918 and 8938.

Prime Factorization of 8918

Prime Factorization of 8938

Now multiplying the highest exponent prime factors to calculate the LCM of 8918 and 8938.

LCM(8918,8938) = 2¹ × 7³ × 13¹ × 41¹ × 109¹
LCM(8918,8938) = 39854542