What is the Least Common Multiple of 56991 and 56999?

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 56999 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 56999, than apply into the LCM equation.

GCF(56991,56999) = 1
LCM(56991,56999) = ( 56991 × 56999) / 1
LCM(56991,56999) = 3248430009 / 1
LCM(56991,56999) = 3248430009

Least Common Multiple (LCM) of 56991 and 56999 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56991 and 56999. First we will calculate the prime factors of 56991 and 56999.

Prime Factorization of 56991

Prime Factorization of 56999

Now multiplying the highest exponent prime factors to calculate the LCM of 56991 and 56999.

LCM(56991,56999) = 3¹ × 11² × 157¹ × 56999¹
LCM(56991,56999) = 3248430009