What is the Least Common Multiple of 6987 and 6991?

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 6987 and 6991 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6987 and 6991, than apply into the LCM equation.

GCF(6987,6991) = 1
LCM(6987,6991) = ( 6987 × 6991) / 1
LCM(6987,6991) = 48846117 / 1
LCM(6987,6991) = 48846117

Least Common Multiple (LCM) of 6987 and 6991 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6987 and 6991. First we will calculate the prime factors of 6987 and 6991.

Prime Factorization of 6987

Prime Factorization of 6991

Now multiplying the highest exponent prime factors to calculate the LCM of 6987 and 6991.

LCM(6987,6991) = 3¹ × 17¹ × 137¹ × 6991¹
LCM(6987,6991) = 48846117