What is the Least Common Multiple of 67755 and 67761?

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 67755 and 67761 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67755 and 67761, than apply into the LCM equation.

GCF(67755,67761) = 3
LCM(67755,67761) = ( 67755 × 67761) / 3
LCM(67755,67761) = 4591146555 / 3
LCM(67755,67761) = 1530382185

Least Common Multiple (LCM) of 67755 and 67761 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67755 and 67761. First we will calculate the prime factors of 67755 and 67761.

Prime Factorization of 67755

Prime Factorization of 67761

Now multiplying the highest exponent prime factors to calculate the LCM of 67755 and 67761.

LCM(67755,67761) = 3² × 5¹ × 4517¹ × 7529¹
LCM(67755,67761) = 1530382185