What is the Least Common Multiple of 78555 and 78567?

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 78555 and 78567 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78555 and 78567, than apply into the LCM equation.

GCF(78555,78567) = 3
LCM(78555,78567) = ( 78555 × 78567) / 3
LCM(78555,78567) = 6171830685 / 3
LCM(78555,78567) = 2057276895

Least Common Multiple (LCM) of 78555 and 78567 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78555 and 78567. First we will calculate the prime factors of 78555 and 78567.

Prime Factorization of 78555

Prime Factorization of 78567

Now multiplying the highest exponent prime factors to calculate the LCM of 78555 and 78567.

LCM(78555,78567) = 3¹ × 5¹ × 5237¹ × 26189¹
LCM(78555,78567) = 2057276895