What is the Least Common Multiple of 76761 and 76779?

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 76761 and 76779 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76761 and 76779, than apply into the LCM equation.

GCF(76761,76779) = 9
LCM(76761,76779) = ( 76761 × 76779) / 9
LCM(76761,76779) = 5893632819 / 9
LCM(76761,76779) = 654848091

Least Common Multiple (LCM) of 76761 and 76779 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76761 and 76779. First we will calculate the prime factors of 76761 and 76779.

Prime Factorization of 76761

Prime Factorization of 76779

Now multiplying the highest exponent prime factors to calculate the LCM of 76761 and 76779.

LCM(76761,76779) = 3³ × 2843¹ × 19¹ × 449¹
LCM(76761,76779) = 654848091