What is the Least Common Multiple of 14978 and 14990?

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 14978 and 14990 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 14978 and 14990, than apply into the LCM equation.

GCF(14978,14990) = 2
LCM(14978,14990) = ( 14978 × 14990) / 2
LCM(14978,14990) = 224520220 / 2
LCM(14978,14990) = 112260110

Least Common Multiple (LCM) of 14978 and 14990 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 14978 and 14990. First we will calculate the prime factors of 14978 and 14990.

Prime Factorization of 14978

Prime Factorization of 14990

Now multiplying the highest exponent prime factors to calculate the LCM of 14978 and 14990.

LCM(14978,14990) = 2¹ × 7489¹ × 5¹ × 1499¹
LCM(14978,14990) = 112260110