What is the Least Common Multiple of 81745 and 81753?

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 81745 and 81753 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81745 and 81753, than apply into the LCM equation.

GCF(81745,81753) = 1
LCM(81745,81753) = ( 81745 × 81753) / 1
LCM(81745,81753) = 6682898985 / 1
LCM(81745,81753) = 6682898985

Least Common Multiple (LCM) of 81745 and 81753 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81745 and 81753. First we will calculate the prime factors of 81745 and 81753.

Prime Factorization of 81745

Prime Factorization of 81753

Now multiplying the highest exponent prime factors to calculate the LCM of 81745 and 81753.

LCM(81745,81753) = 5¹ × 16349¹ × 3¹ × 7¹ × 17¹ × 229¹
LCM(81745,81753) = 6682898985