What is the Least Common Multiple of 78261 and 78273?

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 78273 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 78273, than apply into the LCM equation.

GCF(78261,78273) = 3
LCM(78261,78273) = ( 78261 × 78273) / 3
LCM(78261,78273) = 6125723253 / 3
LCM(78261,78273) = 2041907751

Least Common Multiple (LCM) of 78261 and 78273 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78261 and 78273. First we will calculate the prime factors of 78261 and 78273.

Prime Factorization of 78261

Prime Factorization of 78273

Now multiplying the highest exponent prime factors to calculate the LCM of 78261 and 78273.

LCM(78261,78273) = 3³ × 19¹ × 1373¹ × 13¹ × 223¹
LCM(78261,78273) = 2041907751