What is the Least Common Multiple of 27680 and 27687?

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 27680 and 27687 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27680 and 27687, than apply into the LCM equation.

GCF(27680,27687) = 1
LCM(27680,27687) = ( 27680 × 27687) / 1
LCM(27680,27687) = 766376160 / 1
LCM(27680,27687) = 766376160

Least Common Multiple (LCM) of 27680 and 27687 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27680 and 27687. First we will calculate the prime factors of 27680 and 27687.

Prime Factorization of 27680

Prime Factorization of 27687

Now multiplying the highest exponent prime factors to calculate the LCM of 27680 and 27687.

LCM(27680,27687) = 2⁵ × 5¹ × 173¹ × 3¹ × 11¹ × 839¹
LCM(27680,27687) = 766376160