What is the Least Common Multiple of 81987 and 82007?

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 81987 and 82007 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81987 and 82007, than apply into the LCM equation.

GCF(81987,82007) = 1
LCM(81987,82007) = ( 81987 × 82007) / 1
LCM(81987,82007) = 6723507909 / 1
LCM(81987,82007) = 6723507909

Least Common Multiple (LCM) of 81987 and 82007 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81987 and 82007. First we will calculate the prime factors of 81987 and 82007.

Prime Factorization of 81987

Prime Factorization of 82007

Now multiplying the highest exponent prime factors to calculate the LCM of 81987 and 82007.

LCM(81987,82007) = 3¹ × 27329¹ × 82007¹
LCM(81987,82007) = 6723507909