What is the Least Common Multiple of 27890 and 27906?

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 27890 and 27906 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27890 and 27906, than apply into the LCM equation.

GCF(27890,27906) = 2
LCM(27890,27906) = ( 27890 × 27906) / 2
LCM(27890,27906) = 778298340 / 2
LCM(27890,27906) = 389149170

Least Common Multiple (LCM) of 27890 and 27906 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27890 and 27906. First we will calculate the prime factors of 27890 and 27906.

Prime Factorization of 27890

Prime Factorization of 27906

Now multiplying the highest exponent prime factors to calculate the LCM of 27890 and 27906.

LCM(27890,27906) = 2¹ × 5¹ × 2789¹ × 3¹ × 4651¹
LCM(27890,27906) = 389149170