What is the Least Common Multiple of 82680 and 82686?

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 82680 and 82686 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82680 and 82686, than apply into the LCM equation.

GCF(82680,82686) = 6
LCM(82680,82686) = ( 82680 × 82686) / 6
LCM(82680,82686) = 6836478480 / 6
LCM(82680,82686) = 1139413080

Least Common Multiple (LCM) of 82680 and 82686 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82680 and 82686. First we will calculate the prime factors of 82680 and 82686.

Prime Factorization of 82680

Prime Factorization of 82686

Now multiplying the highest exponent prime factors to calculate the LCM of 82680 and 82686.

LCM(82680,82686) = 2³ × 3¹ × 5¹ × 13¹ × 53¹ × 13781¹
LCM(82680,82686) = 1139413080