What is the Least Common Multiple of 51991 and 51997?

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 51991 and 51997 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51991 and 51997, than apply into the LCM equation.

GCF(51991,51997) = 1
LCM(51991,51997) = ( 51991 × 51997) / 1
LCM(51991,51997) = 2703376027 / 1
LCM(51991,51997) = 2703376027

Least Common Multiple (LCM) of 51991 and 51997 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51991 and 51997. First we will calculate the prime factors of 51991 and 51997.

Prime Factorization of 51991

Prime Factorization of 51997

Now multiplying the highest exponent prime factors to calculate the LCM of 51991 and 51997.

LCM(51991,51997) = 51991¹ × 11¹ × 29¹ × 163¹
LCM(51991,51997) = 2703376027