What is the Least Common Multiple of 12960 and 12973?

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 12960 and 12973 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12960 and 12973, than apply into the LCM equation.

GCF(12960,12973) = 1
LCM(12960,12973) = ( 12960 × 12973) / 1
LCM(12960,12973) = 168130080 / 1
LCM(12960,12973) = 168130080

Least Common Multiple (LCM) of 12960 and 12973 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12960 and 12973. First we will calculate the prime factors of 12960 and 12973.

Prime Factorization of 12960

Prime Factorization of 12973

Now multiplying the highest exponent prime factors to calculate the LCM of 12960 and 12973.

LCM(12960,12973) = 2⁵ × 3⁴ × 5¹ × 12973¹
LCM(12960,12973) = 168130080