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What is the Least Common Multiple of 1188 and 1195?

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 1188 and 1195 is 1419660.

LCM(1188,1195) = 1419660

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Least Common Multiple of 1188 and 1195 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1188 and 1195, than apply into the LCM equation.

GCF(1188,1195) = 1
LCM(1188,1195) = ( 1188 × 1195) / 1
LCM(1188,1195) = 1419660 / 1
LCM(1188,1195) = 1419660

Least Common Multiple (LCM) of 1188 and 1195 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1188 and 1195. First we will calculate the prime factors of 1188 and 1195.

Prime Factorization of 1188

Prime factors of 1188 are 2, 3, 11. Prime factorization of 1188 in exponential form is:

1188 = 22 × 33 × 111

Prime Factorization of 1195

Prime factors of 1195 are 5, 239. Prime factorization of 1195 in exponential form is:

1195 = 51 × 2391

Now multiplying the highest exponent prime factors to calculate the LCM of 1188 and 1195.

LCM(1188,1195) = 22 × 33 × 111 × 51 × 2391
LCM(1188,1195) = 1419660