What is the Least Common Multiple of 1368 and 1383?

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 1368 and 1383 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1368 and 1383, than apply into the LCM equation.

GCF(1368,1383) = 3
LCM(1368,1383) = ( 1368 × 1383) / 3
LCM(1368,1383) = 1891944 / 3
LCM(1368,1383) = 630648

Least Common Multiple (LCM) of 1368 and 1383 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1368 and 1383. First we will calculate the prime factors of 1368 and 1383.

Prime Factorization of 1368

Prime Factorization of 1383

Now multiplying the highest exponent prime factors to calculate the LCM of 1368 and 1383.

LCM(1368,1383) = 2³ × 3² × 19¹ × 461¹
LCM(1368,1383) = 630648