What is the Least Common Multiple of 55615 and 55620?

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 55615 and 55620 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55615 and 55620, than apply into the LCM equation.

GCF(55615,55620) = 5
LCM(55615,55620) = ( 55615 × 55620) / 5
LCM(55615,55620) = 3093306300 / 5
LCM(55615,55620) = 618661260

Least Common Multiple (LCM) of 55615 and 55620 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55615 and 55620. First we will calculate the prime factors of 55615 and 55620.

Prime Factorization of 55615

Prime Factorization of 55620

Now multiplying the highest exponent prime factors to calculate the LCM of 55615 and 55620.

LCM(55615,55620) = 5¹ × 7² × 227¹ × 2² × 3³ × 103¹
LCM(55615,55620) = 618661260