What is the Least Common Multiple of 7239 and 7243?

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 7239 and 7243 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7239 and 7243, than apply into the LCM equation.

GCF(7239,7243) = 1
LCM(7239,7243) = ( 7239 × 7243) / 1
LCM(7239,7243) = 52432077 / 1
LCM(7239,7243) = 52432077

Least Common Multiple (LCM) of 7239 and 7243 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7239 and 7243. First we will calculate the prime factors of 7239 and 7243.

Prime Factorization of 7239

Prime Factorization of 7243

Now multiplying the highest exponent prime factors to calculate the LCM of 7239 and 7243.

LCM(7239,7243) = 3¹ × 19¹ × 127¹ × 7243¹
LCM(7239,7243) = 52432077