What is the Least Common Multiple of 67545 and 67555?

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 67545 and 67555 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67545 and 67555, than apply into the LCM equation.

GCF(67545,67555) = 5
LCM(67545,67555) = ( 67545 × 67555) / 5
LCM(67545,67555) = 4563002475 / 5
LCM(67545,67555) = 912600495

Least Common Multiple (LCM) of 67545 and 67555 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67545 and 67555. First we will calculate the prime factors of 67545 and 67555.

Prime Factorization of 67545

Prime Factorization of 67555

Now multiplying the highest exponent prime factors to calculate the LCM of 67545 and 67555.

LCM(67545,67555) = 3² × 5¹ × 19¹ × 79¹ × 59¹ × 229¹
LCM(67545,67555) = 912600495