What is the Least Common Multiple of 7523 and 7543?

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 7523 and 7543 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7523 and 7543, than apply into the LCM equation.

GCF(7523,7543) = 1
LCM(7523,7543) = ( 7523 × 7543) / 1
LCM(7523,7543) = 56745989 / 1
LCM(7523,7543) = 56745989

Least Common Multiple (LCM) of 7523 and 7543 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7523 and 7543. First we will calculate the prime factors of 7523 and 7543.

Prime Factorization of 7523

Prime Factorization of 7543

Now multiplying the highest exponent prime factors to calculate the LCM of 7523 and 7543.

LCM(7523,7543) = 7523¹ × 19¹ × 397¹
LCM(7523,7543) = 56745989