What is the Least Common Multiple of 6518 and 6530?

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 6518 and 6530 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6518 and 6530, than apply into the LCM equation.

GCF(6518,6530) = 2
LCM(6518,6530) = ( 6518 × 6530) / 2
LCM(6518,6530) = 42562540 / 2
LCM(6518,6530) = 21281270

Least Common Multiple (LCM) of 6518 and 6530 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6518 and 6530. First we will calculate the prime factors of 6518 and 6530.

Prime Factorization of 6518

Prime Factorization of 6530

Now multiplying the highest exponent prime factors to calculate the LCM of 6518 and 6530.

LCM(6518,6530) = 2¹ × 3259¹ × 5¹ × 653¹
LCM(6518,6530) = 21281270