What is the Least Common Multiple of 4120 and 4124?

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 4120 and 4124 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4120 and 4124, than apply into the LCM equation.

GCF(4120,4124) = 4
LCM(4120,4124) = ( 4120 × 4124) / 4
LCM(4120,4124) = 16990880 / 4
LCM(4120,4124) = 4247720

Least Common Multiple (LCM) of 4120 and 4124 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4120 and 4124. First we will calculate the prime factors of 4120 and 4124.

Prime Factorization of 4120

Prime Factorization of 4124

Now multiplying the highest exponent prime factors to calculate the LCM of 4120 and 4124.

LCM(4120,4124) = 2³ × 5¹ × 103¹ × 1031¹
LCM(4120,4124) = 4247720