What is the Least Common Multiple of 4840 and 4845?

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 4840 and 4845 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4840 and 4845, than apply into the LCM equation.

GCF(4840,4845) = 5
LCM(4840,4845) = ( 4840 × 4845) / 5
LCM(4840,4845) = 23449800 / 5
LCM(4840,4845) = 4689960

Least Common Multiple (LCM) of 4840 and 4845 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4840 and 4845. First we will calculate the prime factors of 4840 and 4845.

Prime Factorization of 4840

Prime Factorization of 4845

Now multiplying the highest exponent prime factors to calculate the LCM of 4840 and 4845.

LCM(4840,4845) = 2³ × 5¹ × 11² × 3¹ × 17¹ × 19¹
LCM(4840,4845) = 4689960