What is the Least Common Multiple of 16100 and 16120?

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 16100 and 16120 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16100 and 16120, than apply into the LCM equation.

GCF(16100,16120) = 20
LCM(16100,16120) = ( 16100 × 16120) / 20
LCM(16100,16120) = 259532000 / 20
LCM(16100,16120) = 12976600

Least Common Multiple (LCM) of 16100 and 16120 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16100 and 16120. First we will calculate the prime factors of 16100 and 16120.

Prime Factorization of 16100

Prime Factorization of 16120

Now multiplying the highest exponent prime factors to calculate the LCM of 16100 and 16120.

LCM(16100,16120) = 2³ × 5² × 7¹ × 23¹ × 13¹ × 31¹
LCM(16100,16120) = 12976600