What is the Least Common Multiple of 27678 and 27689?

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 27678 and 27689 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27678 and 27689, than apply into the LCM equation.

GCF(27678,27689) = 1
LCM(27678,27689) = ( 27678 × 27689) / 1
LCM(27678,27689) = 766376142 / 1
LCM(27678,27689) = 766376142

Least Common Multiple (LCM) of 27678 and 27689 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27678 and 27689. First we will calculate the prime factors of 27678 and 27689.

Prime Factorization of 27678

Prime Factorization of 27689

Now multiplying the highest exponent prime factors to calculate the LCM of 27678 and 27689.

LCM(27678,27689) = 2¹ × 3¹ × 7¹ × 659¹ × 27689¹
LCM(27678,27689) = 766376142