What is the Least Common Multiple of 55572 and 55580?

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 55572 and 55580 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55572 and 55580, than apply into the LCM equation.

GCF(55572,55580) = 4
LCM(55572,55580) = ( 55572 × 55580) / 4
LCM(55572,55580) = 3088691760 / 4
LCM(55572,55580) = 772172940

Least Common Multiple (LCM) of 55572 and 55580 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55572 and 55580. First we will calculate the prime factors of 55572 and 55580.

Prime Factorization of 55572

Prime Factorization of 55580

Now multiplying the highest exponent prime factors to calculate the LCM of 55572 and 55580.

LCM(55572,55580) = 2² × 3¹ × 11¹ × 421¹ × 5¹ × 7¹ × 397¹
LCM(55572,55580) = 772172940