What is the Least Common Multiple of 7972 and 7976?

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 7972 and 7976 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7972 and 7976, than apply into the LCM equation.

GCF(7972,7976) = 4
LCM(7972,7976) = ( 7972 × 7976) / 4
LCM(7972,7976) = 63584672 / 4
LCM(7972,7976) = 15896168

Least Common Multiple (LCM) of 7972 and 7976 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7972 and 7976. First we will calculate the prime factors of 7972 and 7976.

Prime Factorization of 7972

Prime Factorization of 7976

Now multiplying the highest exponent prime factors to calculate the LCM of 7972 and 7976.

LCM(7972,7976) = 2³ × 1993¹ × 997¹
LCM(7972,7976) = 15896168