What is the Least Common Multiple of 80643 and 80661?

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 80643 and 80661 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80643 and 80661, than apply into the LCM equation.

GCF(80643,80661) = 3
LCM(80643,80661) = ( 80643 × 80661) / 3
LCM(80643,80661) = 6504745023 / 3
LCM(80643,80661) = 2168248341

Least Common Multiple (LCM) of 80643 and 80661 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80643 and 80661. First we will calculate the prime factors of 80643 and 80661.

Prime Factorization of 80643

Prime Factorization of 80661

Now multiplying the highest exponent prime factors to calculate the LCM of 80643 and 80661.

LCM(80643,80661) = 3¹ × 26881¹ × 7¹ × 23¹ × 167¹
LCM(80643,80661) = 2168248341