What is the Least Common Multiple of 16520 and 16540?

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 16520 and 16540 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16520 and 16540, than apply into the LCM equation.

GCF(16520,16540) = 20
LCM(16520,16540) = ( 16520 × 16540) / 20
LCM(16520,16540) = 273240800 / 20
LCM(16520,16540) = 13662040

Least Common Multiple (LCM) of 16520 and 16540 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16520 and 16540. First we will calculate the prime factors of 16520 and 16540.

Prime Factorization of 16520

Prime Factorization of 16540

Now multiplying the highest exponent prime factors to calculate the LCM of 16520 and 16540.

LCM(16520,16540) = 2³ × 5¹ × 7¹ × 59¹ × 827¹
LCM(16520,16540) = 13662040