What is the Least Common Multiple of 16540 and 16556?

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 16540 and 16556 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16540 and 16556, than apply into the LCM equation.

GCF(16540,16556) = 4
LCM(16540,16556) = ( 16540 × 16556) / 4
LCM(16540,16556) = 273836240 / 4
LCM(16540,16556) = 68459060

Least Common Multiple (LCM) of 16540 and 16556 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16540 and 16556. First we will calculate the prime factors of 16540 and 16556.

Prime Factorization of 16540

Prime Factorization of 16556

Now multiplying the highest exponent prime factors to calculate the LCM of 16540 and 16556.

LCM(16540,16556) = 2² × 5¹ × 827¹ × 4139¹
LCM(16540,16556) = 68459060