What is the Least Common Multiple of 78370 and 78389?

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 78370 and 78389 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78370 and 78389, than apply into the LCM equation.

GCF(78370,78389) = 1
LCM(78370,78389) = ( 78370 × 78389) / 1
LCM(78370,78389) = 6143345930 / 1
LCM(78370,78389) = 6143345930

Least Common Multiple (LCM) of 78370 and 78389 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78370 and 78389. First we will calculate the prime factors of 78370 and 78389.

Prime Factorization of 78370

Prime Factorization of 78389

Now multiplying the highest exponent prime factors to calculate the LCM of 78370 and 78389.

LCM(78370,78389) = 2¹ × 5¹ × 17¹ × 461¹ × 43¹ × 1823¹
LCM(78370,78389) = 6143345930