What is the Least Common Multiple of 63615 and 63620?

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 63615 and 63620 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63615 and 63620, than apply into the LCM equation.

GCF(63615,63620) = 5
LCM(63615,63620) = ( 63615 × 63620) / 5
LCM(63615,63620) = 4047186300 / 5
LCM(63615,63620) = 809437260

Least Common Multiple (LCM) of 63615 and 63620 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63615 and 63620. First we will calculate the prime factors of 63615 and 63620.

Prime Factorization of 63615

Prime Factorization of 63620

Now multiplying the highest exponent prime factors to calculate the LCM of 63615 and 63620.

LCM(63615,63620) = 3¹ × 5¹ × 4241¹ × 2² × 3181¹
LCM(63615,63620) = 809437260