What is the Least Common Multiple of 55991 and 55997?

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 55991 and 55997 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55991 and 55997, than apply into the LCM equation.

GCF(55991,55997) = 1
LCM(55991,55997) = ( 55991 × 55997) / 1
LCM(55991,55997) = 3135328027 / 1
LCM(55991,55997) = 3135328027

Least Common Multiple (LCM) of 55991 and 55997 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55991 and 55997. First we will calculate the prime factors of 55991 and 55997.

Prime Factorization of 55991

Prime Factorization of 55997

Now multiplying the highest exponent prime factors to calculate the LCM of 55991 and 55997.

LCM(55991,55997) = 13¹ × 59¹ × 73¹ × 55997¹
LCM(55991,55997) = 3135328027