What is the Least Common Multiple of 4991 and 4999?

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 4991 and 4999 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4991 and 4999, than apply into the LCM equation.

GCF(4991,4999) = 1
LCM(4991,4999) = ( 4991 × 4999) / 1
LCM(4991,4999) = 24950009 / 1
LCM(4991,4999) = 24950009

Least Common Multiple (LCM) of 4991 and 4999 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4991 and 4999. First we will calculate the prime factors of 4991 and 4999.

Prime Factorization of 4991

Prime Factorization of 4999

Now multiplying the highest exponent prime factors to calculate the LCM of 4991 and 4999.

LCM(4991,4999) = 7¹ × 23¹ × 31¹ × 4999¹
LCM(4991,4999) = 24950009