What is the Least Common Multiple of 13688 and 13708?

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 13688 and 13708 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13688 and 13708, than apply into the LCM equation.

GCF(13688,13708) = 4
LCM(13688,13708) = ( 13688 × 13708) / 4
LCM(13688,13708) = 187635104 / 4
LCM(13688,13708) = 46908776

Least Common Multiple (LCM) of 13688 and 13708 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13688 and 13708. First we will calculate the prime factors of 13688 and 13708.

Prime Factorization of 13688

Prime Factorization of 13708

Now multiplying the highest exponent prime factors to calculate the LCM of 13688 and 13708.

LCM(13688,13708) = 2³ × 29¹ × 59¹ × 23¹ × 149¹
LCM(13688,13708) = 46908776