What is the Least Common Multiple of 13398 and 13406?

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 13398 and 13406 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13398 and 13406, than apply into the LCM equation.

GCF(13398,13406) = 2
LCM(13398,13406) = ( 13398 × 13406) / 2
LCM(13398,13406) = 179613588 / 2
LCM(13398,13406) = 89806794

Least Common Multiple (LCM) of 13398 and 13406 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13398 and 13406. First we will calculate the prime factors of 13398 and 13406.

Prime Factorization of 13398

Prime Factorization of 13406

Now multiplying the highest exponent prime factors to calculate the LCM of 13398 and 13406.

LCM(13398,13406) = 2¹ × 3¹ × 7¹ × 11¹ × 29¹ × 6703¹
LCM(13398,13406) = 89806794