What is the Least Common Multiple of 80631 and 80646?

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 80631 and 80646 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80631 and 80646, than apply into the LCM equation.

GCF(80631,80646) = 3
LCM(80631,80646) = ( 80631 × 80646) / 3
LCM(80631,80646) = 6502567626 / 3
LCM(80631,80646) = 2167522542

Least Common Multiple (LCM) of 80631 and 80646 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80631 and 80646. First we will calculate the prime factors of 80631 and 80646.

Prime Factorization of 80631

Prime Factorization of 80646

Now multiplying the highest exponent prime factors to calculate the LCM of 80631 and 80646.

LCM(80631,80646) = 3² × 17² × 31¹ × 2¹ × 13441¹
LCM(80631,80646) = 2167522542