What is the Least Common Multiple of 27740 and 27747?

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 27740 and 27747 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27740 and 27747, than apply into the LCM equation.

GCF(27740,27747) = 1
LCM(27740,27747) = ( 27740 × 27747) / 1
LCM(27740,27747) = 769701780 / 1
LCM(27740,27747) = 769701780

Least Common Multiple (LCM) of 27740 and 27747 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27740 and 27747. First we will calculate the prime factors of 27740 and 27747.

Prime Factorization of 27740

Prime Factorization of 27747

Now multiplying the highest exponent prime factors to calculate the LCM of 27740 and 27747.

LCM(27740,27747) = 2² × 5¹ × 19¹ × 73¹ × 3² × 3083¹
LCM(27740,27747) = 769701780