What is the Least Common Multiple of 45540 and 45556?

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 45540 and 45556 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45540 and 45556, than apply into the LCM equation.

GCF(45540,45556) = 4
LCM(45540,45556) = ( 45540 × 45556) / 4
LCM(45540,45556) = 2074620240 / 4
LCM(45540,45556) = 518655060

Least Common Multiple (LCM) of 45540 and 45556 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45540 and 45556. First we will calculate the prime factors of 45540 and 45556.

Prime Factorization of 45540

Prime Factorization of 45556

Now multiplying the highest exponent prime factors to calculate the LCM of 45540 and 45556.

LCM(45540,45556) = 2² × 3² × 5¹ × 11¹ × 23¹ × 7¹ × 1627¹
LCM(45540,45556) = 518655060