What is the Least Common Multiple of 27605 and 27620?

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 27605 and 27620 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27605 and 27620, than apply into the LCM equation.

GCF(27605,27620) = 5
LCM(27605,27620) = ( 27605 × 27620) / 5
LCM(27605,27620) = 762450100 / 5
LCM(27605,27620) = 152490020

Least Common Multiple (LCM) of 27605 and 27620 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27605 and 27620. First we will calculate the prime factors of 27605 and 27620.

Prime Factorization of 27605

Prime Factorization of 27620

Now multiplying the highest exponent prime factors to calculate the LCM of 27605 and 27620.

LCM(27605,27620) = 5¹ × 5521¹ × 2² × 1381¹
LCM(27605,27620) = 152490020