What is the Least Common Multiple of 81509 and 81514?

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 81509 and 81514 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81509 and 81514, than apply into the LCM equation.

GCF(81509,81514) = 1
LCM(81509,81514) = ( 81509 × 81514) / 1
LCM(81509,81514) = 6644124626 / 1
LCM(81509,81514) = 6644124626

Least Common Multiple (LCM) of 81509 and 81514 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81509 and 81514. First we will calculate the prime factors of 81509 and 81514.

Prime Factorization of 81509

Prime Factorization of 81514

Now multiplying the highest exponent prime factors to calculate the LCM of 81509 and 81514.

LCM(81509,81514) = 81509¹ × 2¹ × 53¹ × 769¹
LCM(81509,81514) = 6644124626