What is the Least Common Multiple of 56991 and 56997?

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 56991 and 56997 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56991 and 56997, than apply into the LCM equation.

GCF(56991,56997) = 3
LCM(56991,56997) = ( 56991 × 56997) / 3
LCM(56991,56997) = 3248316027 / 3
LCM(56991,56997) = 1082772009

Least Common Multiple (LCM) of 56991 and 56997 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56991 and 56997. First we will calculate the prime factors of 56991 and 56997.

Prime Factorization of 56991

Prime Factorization of 56997

Now multiplying the highest exponent prime factors to calculate the LCM of 56991 and 56997.

LCM(56991,56997) = 3³ × 11² × 157¹ × 2111¹
LCM(56991,56997) = 1082772009