What is the Least Common Multiple of 27870 and 27885?

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 27870 and 27885 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27870 and 27885, than apply into the LCM equation.

GCF(27870,27885) = 15
LCM(27870,27885) = ( 27870 × 27885) / 15
LCM(27870,27885) = 777154950 / 15
LCM(27870,27885) = 51810330

Least Common Multiple (LCM) of 27870 and 27885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27870 and 27885. First we will calculate the prime factors of 27870 and 27885.

Prime Factorization of 27870

Prime Factorization of 27885

Now multiplying the highest exponent prime factors to calculate the LCM of 27870 and 27885.

LCM(27870,27885) = 2¹ × 3¹ × 5¹ × 929¹ × 11¹ × 13²
LCM(27870,27885) = 51810330