What is the Least Common Multiple of 78547 and 78563?

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 78547 and 78563 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78547 and 78563, than apply into the LCM equation.

GCF(78547,78563) = 1
LCM(78547,78563) = ( 78547 × 78563) / 1
LCM(78547,78563) = 6170887961 / 1
LCM(78547,78563) = 6170887961

Least Common Multiple (LCM) of 78547 and 78563 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78547 and 78563. First we will calculate the prime factors of 78547 and 78563.

Prime Factorization of 78547

Prime Factorization of 78563

Now multiplying the highest exponent prime factors to calculate the LCM of 78547 and 78563.

LCM(78547,78563) = 7³ × 229¹ × 251¹ × 313¹
LCM(78547,78563) = 6170887961