What is the Least Common Multiple of 66805 and 66816?

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 66805 and 66816 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66805 and 66816, than apply into the LCM equation.

GCF(66805,66816) = 1
LCM(66805,66816) = ( 66805 × 66816) / 1
LCM(66805,66816) = 4463642880 / 1
LCM(66805,66816) = 4463642880

Least Common Multiple (LCM) of 66805 and 66816 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66805 and 66816. First we will calculate the prime factors of 66805 and 66816.

Prime Factorization of 66805

Prime Factorization of 66816

Now multiplying the highest exponent prime factors to calculate the LCM of 66805 and 66816.

LCM(66805,66816) = 5¹ × 31¹ × 431¹ × 2⁸ × 3² × 29¹
LCM(66805,66816) = 4463642880