What is the Least Common Multiple of 7996 and 8004?

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 7996 and 8004 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7996 and 8004, than apply into the LCM equation.

GCF(7996,8004) = 4
LCM(7996,8004) = ( 7996 × 8004) / 4
LCM(7996,8004) = 63999984 / 4
LCM(7996,8004) = 15999996

Least Common Multiple (LCM) of 7996 and 8004 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7996 and 8004. First we will calculate the prime factors of 7996 and 8004.

Prime Factorization of 7996

Prime Factorization of 8004

Now multiplying the highest exponent prime factors to calculate the LCM of 7996 and 8004.

LCM(7996,8004) = 2² × 1999¹ × 3¹ × 23¹ × 29¹
LCM(7996,8004) = 15999996