What is the Least Common Multiple of 19620 and 19633?

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 19620 and 19633 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19620 and 19633, than apply into the LCM equation.

GCF(19620,19633) = 1
LCM(19620,19633) = ( 19620 × 19633) / 1
LCM(19620,19633) = 385199460 / 1
LCM(19620,19633) = 385199460

Least Common Multiple (LCM) of 19620 and 19633 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19620 and 19633. First we will calculate the prime factors of 19620 and 19633.

Prime Factorization of 19620

Prime Factorization of 19633

Now multiplying the highest exponent prime factors to calculate the LCM of 19620 and 19633.

LCM(19620,19633) = 2² × 3² × 5¹ × 109¹ × 29¹ × 677¹
LCM(19620,19633) = 385199460