What is the Least Common Multiple of 4942 and 4949?

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 4942 and 4949 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4942 and 4949, than apply into the LCM equation.

GCF(4942,4949) = 7
LCM(4942,4949) = ( 4942 × 4949) / 7
LCM(4942,4949) = 24457958 / 7
LCM(4942,4949) = 3493994

Least Common Multiple (LCM) of 4942 and 4949 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4942 and 4949. First we will calculate the prime factors of 4942 and 4949.

Prime Factorization of 4942

Prime Factorization of 4949

Now multiplying the highest exponent prime factors to calculate the LCM of 4942 and 4949.

LCM(4942,4949) = 2¹ × 7² × 353¹ × 101¹
LCM(4942,4949) = 3493994