What is the Least Common Multiple of 7860 and 7873?

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 7860 and 7873 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7860 and 7873, than apply into the LCM equation.

GCF(7860,7873) = 1
LCM(7860,7873) = ( 7860 × 7873) / 1
LCM(7860,7873) = 61881780 / 1
LCM(7860,7873) = 61881780

Least Common Multiple (LCM) of 7860 and 7873 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7860 and 7873. First we will calculate the prime factors of 7860 and 7873.

Prime Factorization of 7860

Prime Factorization of 7873

Now multiplying the highest exponent prime factors to calculate the LCM of 7860 and 7873.

LCM(7860,7873) = 2² × 3¹ × 5¹ × 131¹ × 7873¹
LCM(7860,7873) = 61881780