What is the Least Common Multiple of 80940 and 80948?

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 80940 and 80948 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80940 and 80948, than apply into the LCM equation.

GCF(80940,80948) = 4
LCM(80940,80948) = ( 80940 × 80948) / 4
LCM(80940,80948) = 6551931120 / 4
LCM(80940,80948) = 1637982780

Least Common Multiple (LCM) of 80940 and 80948 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80940 and 80948. First we will calculate the prime factors of 80940 and 80948.

Prime Factorization of 80940

Prime Factorization of 80948

Now multiplying the highest exponent prime factors to calculate the LCM of 80940 and 80948.

LCM(80940,80948) = 2² × 3¹ × 5¹ × 19¹ × 71¹ × 7³ × 59¹
LCM(80940,80948) = 1637982780