What is the Least Common Multiple of 27381 and 27390?

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 27381 and 27390 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27381 and 27390, than apply into the LCM equation.

GCF(27381,27390) = 3
LCM(27381,27390) = ( 27381 × 27390) / 3
LCM(27381,27390) = 749965590 / 3
LCM(27381,27390) = 249988530

Least Common Multiple (LCM) of 27381 and 27390 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27381 and 27390. First we will calculate the prime factors of 27381 and 27390.

Prime Factorization of 27381

Prime Factorization of 27390

Now multiplying the highest exponent prime factors to calculate the LCM of 27381 and 27390.

LCM(27381,27390) = 3¹ × 9127¹ × 2¹ × 5¹ × 11¹ × 83¹
LCM(27381,27390) = 249988530