What is the Least Common Multiple of 51978 and 51988?

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 51978 and 51988 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51978 and 51988, than apply into the LCM equation.

GCF(51978,51988) = 2
LCM(51978,51988) = ( 51978 × 51988) / 2
LCM(51978,51988) = 2702232264 / 2
LCM(51978,51988) = 1351116132

Least Common Multiple (LCM) of 51978 and 51988 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51978 and 51988. First we will calculate the prime factors of 51978 and 51988.

Prime Factorization of 51978

Prime Factorization of 51988

Now multiplying the highest exponent prime factors to calculate the LCM of 51978 and 51988.

LCM(51978,51988) = 2² × 3¹ × 8663¹ × 41¹ × 317¹
LCM(51978,51988) = 1351116132