What is the Least Common Multiple of 61968 and 61973?

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 61968 and 61973 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61968 and 61973, than apply into the LCM equation.

GCF(61968,61973) = 1
LCM(61968,61973) = ( 61968 × 61973) / 1
LCM(61968,61973) = 3840342864 / 1
LCM(61968,61973) = 3840342864

Least Common Multiple (LCM) of 61968 and 61973 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61968 and 61973. First we will calculate the prime factors of 61968 and 61973.

Prime Factorization of 61968

Prime Factorization of 61973

Now multiplying the highest exponent prime factors to calculate the LCM of 61968 and 61973.

LCM(61968,61973) = 2⁴ × 3¹ × 1291¹ × 29¹ × 2137¹
LCM(61968,61973) = 3840342864