What is the Least Common Multiple of 66780 and 66798?

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 66780 and 66798 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66780 and 66798, than apply into the LCM equation.

GCF(66780,66798) = 18
LCM(66780,66798) = ( 66780 × 66798) / 18
LCM(66780,66798) = 4460770440 / 18
LCM(66780,66798) = 247820580

Least Common Multiple (LCM) of 66780 and 66798 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66780 and 66798. First we will calculate the prime factors of 66780 and 66798.

Prime Factorization of 66780

Prime Factorization of 66798

Now multiplying the highest exponent prime factors to calculate the LCM of 66780 and 66798.

LCM(66780,66798) = 2² × 3³ × 5¹ × 7¹ × 53¹ × 1237¹
LCM(66780,66798) = 247820580