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What is the Least Common Multiple of 1350 and 1368?

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 (LCM) of 1350 and 1368 is 102600.

LCM(1350,1368) = 102600

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Least Common Multiple of 1350 and 1368 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1350 and 1368, than apply into the LCM equation.

GCF(1350,1368) = 18
LCM(1350,1368) = ( 1350 × 1368) / 18
LCM(1350,1368) = 1846800 / 18
LCM(1350,1368) = 102600

Least Common Multiple (LCM) of 1350 and 1368 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1350 and 1368. First we will calculate the prime factors of 1350 and 1368.

Prime Factorization of 1350

Prime factors of 1350 are 2, 3, 5. Prime factorization of 1350 in exponential form is:

1350 = 21 × 33 × 52

Prime Factorization of 1368

Prime factors of 1368 are 2, 3, 19. Prime factorization of 1368 in exponential form is:

1368 = 23 × 32 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 1350 and 1368.

LCM(1350,1368) = 23 × 33 × 52 × 191
LCM(1350,1368) = 102600