What is the Least Common Multiple of 80370 and 80389?

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 80370 and 80389 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80370 and 80389, than apply into the LCM equation.

GCF(80370,80389) = 19
LCM(80370,80389) = ( 80370 × 80389) / 19
LCM(80370,80389) = 6460863930 / 19
LCM(80370,80389) = 340045470

Least Common Multiple (LCM) of 80370 and 80389 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80370 and 80389. First we will calculate the prime factors of 80370 and 80389.

Prime Factorization of 80370

Prime Factorization of 80389

Now multiplying the highest exponent prime factors to calculate the LCM of 80370 and 80389.

LCM(80370,80389) = 2¹ × 3² × 5¹ × 19¹ × 47¹ × 4231¹
LCM(80370,80389) = 340045470