What is the Least Common Multiple of 54976 and 54990?

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 54976 and 54990 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54976 and 54990, than apply into the LCM equation.

GCF(54976,54990) = 2
LCM(54976,54990) = ( 54976 × 54990) / 2
LCM(54976,54990) = 3023130240 / 2
LCM(54976,54990) = 1511565120

Least Common Multiple (LCM) of 54976 and 54990 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54976 and 54990. First we will calculate the prime factors of 54976 and 54990.

Prime Factorization of 54976

Prime Factorization of 54990

Now multiplying the highest exponent prime factors to calculate the LCM of 54976 and 54990.

LCM(54976,54990) = 2⁶ × 859¹ × 3² × 5¹ × 13¹ × 47¹
LCM(54976,54990) = 1511565120