What is the Least Common Multiple of 66969 and 66981?

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 66969 and 66981 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66969 and 66981, than apply into the LCM equation.

GCF(66969,66981) = 3
LCM(66969,66981) = ( 66969 × 66981) / 3
LCM(66969,66981) = 4485650589 / 3
LCM(66969,66981) = 1495216863

Least Common Multiple (LCM) of 66969 and 66981 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66969 and 66981. First we will calculate the prime factors of 66969 and 66981.

Prime Factorization of 66969

Prime Factorization of 66981

Now multiplying the highest exponent prime factors to calculate the LCM of 66969 and 66981.

LCM(66969,66981) = 3² × 7¹ × 1063¹ × 83¹ × 269¹
LCM(66969,66981) = 1495216863