What is the Least Common Multiple of 73968 and 73972?

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 73968 and 73972 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73968 and 73972, than apply into the LCM equation.

GCF(73968,73972) = 4
LCM(73968,73972) = ( 73968 × 73972) / 4
LCM(73968,73972) = 5471560896 / 4
LCM(73968,73972) = 1367890224

Least Common Multiple (LCM) of 73968 and 73972 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73968 and 73972. First we will calculate the prime factors of 73968 and 73972.

Prime Factorization of 73968

Prime Factorization of 73972

Now multiplying the highest exponent prime factors to calculate the LCM of 73968 and 73972.

LCM(73968,73972) = 2⁴ × 3¹ × 23¹ × 67¹ × 18493¹
LCM(73968,73972) = 1367890224