What is the Least Common Multiple of 6506 and 6516?

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 6506 and 6516 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6506 and 6516, than apply into the LCM equation.

GCF(6506,6516) = 2
LCM(6506,6516) = ( 6506 × 6516) / 2
LCM(6506,6516) = 42393096 / 2
LCM(6506,6516) = 21196548

Least Common Multiple (LCM) of 6506 and 6516 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6506 and 6516. First we will calculate the prime factors of 6506 and 6516.

Prime Factorization of 6506

Prime Factorization of 6516

Now multiplying the highest exponent prime factors to calculate the LCM of 6506 and 6516.

LCM(6506,6516) = 2² × 3253¹ × 3² × 181¹
LCM(6506,6516) = 21196548