What is the Least Common Multiple of 55620 and 55630?

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 55620 and 55630 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55620 and 55630, than apply into the LCM equation.

GCF(55620,55630) = 10
LCM(55620,55630) = ( 55620 × 55630) / 10
LCM(55620,55630) = 3094140600 / 10
LCM(55620,55630) = 309414060

Least Common Multiple (LCM) of 55620 and 55630 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55620 and 55630. First we will calculate the prime factors of 55620 and 55630.

Prime Factorization of 55620

Prime Factorization of 55630

Now multiplying the highest exponent prime factors to calculate the LCM of 55620 and 55630.

LCM(55620,55630) = 2² × 3³ × 5¹ × 103¹ × 5563¹
LCM(55620,55630) = 309414060