What is the Least Common Multiple of 2991 and 3009?

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 2991 and 3009 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2991 and 3009, than apply into the LCM equation.

GCF(2991,3009) = 3
LCM(2991,3009) = ( 2991 × 3009) / 3
LCM(2991,3009) = 8999919 / 3
LCM(2991,3009) = 2999973

Least Common Multiple (LCM) of 2991 and 3009 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2991 and 3009. First we will calculate the prime factors of 2991 and 3009.

Prime Factorization of 2991

Prime Factorization of 3009

Now multiplying the highest exponent prime factors to calculate the LCM of 2991 and 3009.

LCM(2991,3009) = 3¹ × 997¹ × 17¹ × 59¹
LCM(2991,3009) = 2999973