What is the Least Common Multiple of 13438 and 13450?

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 13438 and 13450 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13438 and 13450, than apply into the LCM equation.

GCF(13438,13450) = 2
LCM(13438,13450) = ( 13438 × 13450) / 2
LCM(13438,13450) = 180741100 / 2
LCM(13438,13450) = 90370550

Least Common Multiple (LCM) of 13438 and 13450 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13438 and 13450. First we will calculate the prime factors of 13438 and 13450.

Prime Factorization of 13438

Prime Factorization of 13450

Now multiplying the highest exponent prime factors to calculate the LCM of 13438 and 13450.

LCM(13438,13450) = 2¹ × 6719¹ × 5² × 269¹
LCM(13438,13450) = 90370550