What is the Least Common Multiple of 7557 and 7563?

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 7557 and 7563 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7557 and 7563, than apply into the LCM equation.

GCF(7557,7563) = 3
LCM(7557,7563) = ( 7557 × 7563) / 3
LCM(7557,7563) = 57153591 / 3
LCM(7557,7563) = 19051197

Least Common Multiple (LCM) of 7557 and 7563 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7557 and 7563. First we will calculate the prime factors of 7557 and 7563.

Prime Factorization of 7557

Prime Factorization of 7563

Now multiplying the highest exponent prime factors to calculate the LCM of 7557 and 7563.

LCM(7557,7563) = 3¹ × 11¹ × 229¹ × 2521¹
LCM(7557,7563) = 19051197