What is the Least Common Multiple of 3947 and 3966?

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 3947 and 3966 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3947 and 3966, than apply into the LCM equation.

GCF(3947,3966) = 1
LCM(3947,3966) = ( 3947 × 3966) / 1
LCM(3947,3966) = 15653802 / 1
LCM(3947,3966) = 15653802

Least Common Multiple (LCM) of 3947 and 3966 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3947 and 3966. First we will calculate the prime factors of 3947 and 3966.

Prime Factorization of 3947

Prime Factorization of 3966

Now multiplying the highest exponent prime factors to calculate the LCM of 3947 and 3966.

LCM(3947,3966) = 3947¹ × 2¹ × 3¹ × 661¹
LCM(3947,3966) = 15653802