What is the Least Common Multiple of 81693 and 81711?

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 81693 and 81711 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81693 and 81711, than apply into the LCM equation.

GCF(81693,81711) = 9
LCM(81693,81711) = ( 81693 × 81711) / 9
LCM(81693,81711) = 6675216723 / 9
LCM(81693,81711) = 741690747

Least Common Multiple (LCM) of 81693 and 81711 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81693 and 81711. First we will calculate the prime factors of 81693 and 81711.

Prime Factorization of 81693

Prime Factorization of 81711

Now multiplying the highest exponent prime factors to calculate the LCM of 81693 and 81711.

LCM(81693,81711) = 3² × 29¹ × 313¹ × 7¹ × 1297¹
LCM(81693,81711) = 741690747