What is the Least Common Multiple of 55580 and 55598?

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 55580 and 55598 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55580 and 55598, than apply into the LCM equation.

GCF(55580,55598) = 2
LCM(55580,55598) = ( 55580 × 55598) / 2
LCM(55580,55598) = 3090136840 / 2
LCM(55580,55598) = 1545068420

Least Common Multiple (LCM) of 55580 and 55598 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55580 and 55598. First we will calculate the prime factors of 55580 and 55598.

Prime Factorization of 55580

Prime Factorization of 55598

Now multiplying the highest exponent prime factors to calculate the LCM of 55580 and 55598.

LCM(55580,55598) = 2² × 5¹ × 7¹ × 397¹ × 27799¹
LCM(55580,55598) = 1545068420