What is the Least Common Multiple of 81069 and 81073?

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 81069 and 81073 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81069 and 81073, than apply into the LCM equation.

GCF(81069,81073) = 1
LCM(81069,81073) = ( 81069 × 81073) / 1
LCM(81069,81073) = 6572507037 / 1
LCM(81069,81073) = 6572507037

Least Common Multiple (LCM) of 81069 and 81073 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81069 and 81073. First we will calculate the prime factors of 81069 and 81073.

Prime Factorization of 81069

Prime Factorization of 81073

Now multiplying the highest exponent prime factors to calculate the LCM of 81069 and 81073.

LCM(81069,81073) = 3¹ × 61¹ × 443¹ × 17¹ × 19¹ × 251¹
LCM(81069,81073) = 6572507037