What is the Least Common Multiple of 2990 and 2995?

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 2995 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 2995, than apply into the LCM equation.

GCF(2990,2995) = 5
LCM(2990,2995) = ( 2990 × 2995) / 5
LCM(2990,2995) = 8955050 / 5
LCM(2990,2995) = 1791010

Least Common Multiple (LCM) of 2990 and 2995 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2990 and 2995. First we will calculate the prime factors of 2990 and 2995.

Prime Factorization of 2990

Prime Factorization of 2995

Now multiplying the highest exponent prime factors to calculate the LCM of 2990 and 2995.

LCM(2990,2995) = 2¹ × 5¹ × 13¹ × 23¹ × 599¹
LCM(2990,2995) = 1791010