What is the Least Common Multiple of 65660 and 65679?

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 65660 and 65679 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65660 and 65679, than apply into the LCM equation.

GCF(65660,65679) = 1
LCM(65660,65679) = ( 65660 × 65679) / 1
LCM(65660,65679) = 4312483140 / 1
LCM(65660,65679) = 4312483140

Least Common Multiple (LCM) of 65660 and 65679 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65660 and 65679. First we will calculate the prime factors of 65660 and 65679.

Prime Factorization of 65660

Prime Factorization of 65679

Now multiplying the highest exponent prime factors to calculate the LCM of 65660 and 65679.

LCM(65660,65679) = 2² × 5¹ × 7² × 67¹ × 3¹ × 21893¹
LCM(65660,65679) = 4312483140