What is the Least Common Multiple of 2943 and 2947?

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 2943 and 2947 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2943 and 2947, than apply into the LCM equation.

GCF(2943,2947) = 1
LCM(2943,2947) = ( 2943 × 2947) / 1
LCM(2943,2947) = 8673021 / 1
LCM(2943,2947) = 8673021

Least Common Multiple (LCM) of 2943 and 2947 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2943 and 2947. First we will calculate the prime factors of 2943 and 2947.

Prime Factorization of 2943

Prime Factorization of 2947

Now multiplying the highest exponent prime factors to calculate the LCM of 2943 and 2947.

LCM(2943,2947) = 3³ × 109¹ × 7¹ × 421¹
LCM(2943,2947) = 8673021