What is the Least Common Multiple of 2990 and 2996?

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 2990 and 2996 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2990 and 2996, than apply into the LCM equation.

GCF(2990,2996) = 2
LCM(2990,2996) = ( 2990 × 2996) / 2
LCM(2990,2996) = 8958040 / 2
LCM(2990,2996) = 4479020

Least Common Multiple (LCM) of 2990 and 2996 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2990 and 2996. First we will calculate the prime factors of 2990 and 2996.

Prime Factorization of 2990

Prime Factorization of 2996

Now multiplying the highest exponent prime factors to calculate the LCM of 2990 and 2996.

LCM(2990,2996) = 2² × 5¹ × 13¹ × 23¹ × 7¹ × 107¹
LCM(2990,2996) = 4479020