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What is the Least Common Multiple of 1368 and 1377?

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 1368 and 1377 is 209304.

LCM(1368,1377) = 209304

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Least Common Multiple of 1368 and 1377 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 1377, than apply into the LCM equation.

GCF(1368,1377) = 9
LCM(1368,1377) = ( 1368 × 1377) / 9
LCM(1368,1377) = 1883736 / 9
LCM(1368,1377) = 209304

Least Common Multiple (LCM) of 1368 and 1377 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1368 and 1377. First we will calculate the prime factors of 1368 and 1377.

Prime Factorization of 1368

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

1368 = 23 × 32 × 191

Prime Factorization of 1377

Prime factors of 1377 are 3, 17. Prime factorization of 1377 in exponential form is:

1377 = 34 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 1368 and 1377.

LCM(1368,1377) = 23 × 34 × 191 × 171
LCM(1368,1377) = 209304