What is the Least Common Multiple of 49438 and 49457?

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 49438 and 49457 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 49438 and 49457, than apply into the LCM equation.

GCF(49438,49457) = 19
LCM(49438,49457) = ( 49438 × 49457) / 19
LCM(49438,49457) = 2445055166 / 19
LCM(49438,49457) = 128687114

Least Common Multiple (LCM) of 49438 and 49457 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 49438 and 49457. First we will calculate the prime factors of 49438 and 49457.

Prime Factorization of 49438

Prime Factorization of 49457

Now multiplying the highest exponent prime factors to calculate the LCM of 49438 and 49457.

LCM(49438,49457) = 2¹ × 19² × 1301¹ × 137¹
LCM(49438,49457) = 128687114