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What is the Least Common Multiple of 1180 and 1193?

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 1180 and 1193 is 1407740.

LCM(1180,1193) = 1407740

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Least Common Multiple of 1180 and 1193 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1180 and 1193, than apply into the LCM equation.

GCF(1180,1193) = 1
LCM(1180,1193) = ( 1180 × 1193) / 1
LCM(1180,1193) = 1407740 / 1
LCM(1180,1193) = 1407740

Least Common Multiple (LCM) of 1180 and 1193 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1180 and 1193. First we will calculate the prime factors of 1180 and 1193.

Prime Factorization of 1180

Prime factors of 1180 are 2, 5, 59. Prime factorization of 1180 in exponential form is:

1180 = 22 × 51 × 591

Prime Factorization of 1193

Prime factors of 1193 are 1193. Prime factorization of 1193 in exponential form is:

1193 = 11931

Now multiplying the highest exponent prime factors to calculate the LCM of 1180 and 1193.

LCM(1180,1193) = 22 × 51 × 591 × 11931
LCM(1180,1193) = 1407740