What is the Least Common Multiple of 67887 and 67905?

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 67887 and 67905 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67887 and 67905, than apply into the LCM equation.

GCF(67887,67905) = 9
LCM(67887,67905) = ( 67887 × 67905) / 9
LCM(67887,67905) = 4609866735 / 9
LCM(67887,67905) = 512207415

Least Common Multiple (LCM) of 67887 and 67905 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67887 and 67905. First we will calculate the prime factors of 67887 and 67905.

Prime Factorization of 67887

Prime Factorization of 67905

Now multiplying the highest exponent prime factors to calculate the LCM of 67887 and 67905.

LCM(67887,67905) = 3³ × 19¹ × 397¹ × 5¹ × 503¹
LCM(67887,67905) = 512207415