What is the Least Common Multiple of 7731 and 7743?

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 7731 and 7743 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7731 and 7743, than apply into the LCM equation.

GCF(7731,7743) = 3
LCM(7731,7743) = ( 7731 × 7743) / 3
LCM(7731,7743) = 59861133 / 3
LCM(7731,7743) = 19953711

Least Common Multiple (LCM) of 7731 and 7743 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7731 and 7743. First we will calculate the prime factors of 7731 and 7743.

Prime Factorization of 7731

Prime Factorization of 7743

Now multiplying the highest exponent prime factors to calculate the LCM of 7731 and 7743.

LCM(7731,7743) = 3² × 859¹ × 29¹ × 89¹
LCM(7731,7743) = 19953711