What is the Least Common Multiple of 2956 and 2974?

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 2956 and 2974 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2956 and 2974, than apply into the LCM equation.

GCF(2956,2974) = 2
LCM(2956,2974) = ( 2956 × 2974) / 2
LCM(2956,2974) = 8791144 / 2
LCM(2956,2974) = 4395572

Least Common Multiple (LCM) of 2956 and 2974 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2956 and 2974. First we will calculate the prime factors of 2956 and 2974.

Prime Factorization of 2956

Prime Factorization of 2974

Now multiplying the highest exponent prime factors to calculate the LCM of 2956 and 2974.

LCM(2956,2974) = 2² × 739¹ × 1487¹
LCM(2956,2974) = 4395572