What is the Least Common Multiple of 78389 and 78397?

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 78389 and 78397 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78389 and 78397, than apply into the LCM equation.

GCF(78389,78397) = 1
LCM(78389,78397) = ( 78389 × 78397) / 1
LCM(78389,78397) = 6145462433 / 1
LCM(78389,78397) = 6145462433

Least Common Multiple (LCM) of 78389 and 78397 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78389 and 78397. First we will calculate the prime factors of 78389 and 78397.

Prime Factorization of 78389

Prime Factorization of 78397

Now multiplying the highest exponent prime factors to calculate the LCM of 78389 and 78397.

LCM(78389,78397) = 43¹ × 1823¹ × 11¹ × 7127¹
LCM(78389,78397) = 6145462433