What is the Least Common Multiple of 54720 and 54731?

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 54720 and 54731 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54720 and 54731, than apply into the LCM equation.

GCF(54720,54731) = 1
LCM(54720,54731) = ( 54720 × 54731) / 1
LCM(54720,54731) = 2994880320 / 1
LCM(54720,54731) = 2994880320

Least Common Multiple (LCM) of 54720 and 54731 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54720 and 54731. First we will calculate the prime factors of 54720 and 54731.

Prime Factorization of 54720

Prime Factorization of 54731

Now multiplying the highest exponent prime factors to calculate the LCM of 54720 and 54731.

LCM(54720,54731) = 2⁶ × 3² × 5¹ × 19¹ × 229¹ × 239¹
LCM(54720,54731) = 2994880320