What is the Least Common Multiple of 78261 and 78279?

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 78261 and 78279 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78261 and 78279, than apply into the LCM equation.

GCF(78261,78279) = 3
LCM(78261,78279) = ( 78261 × 78279) / 3
LCM(78261,78279) = 6126192819 / 3
LCM(78261,78279) = 2042064273

Least Common Multiple (LCM) of 78261 and 78279 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78261 and 78279. First we will calculate the prime factors of 78261 and 78279.

Prime Factorization of 78261

Prime Factorization of 78279

Now multiplying the highest exponent prime factors to calculate the LCM of 78261 and 78279.

LCM(78261,78279) = 3¹ × 19¹ × 1373¹ × 97¹ × 269¹
LCM(78261,78279) = 2042064273