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What is the Least Common Multiple of 1182 and 1190?

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 1182 and 1190 is 703290.

LCM(1182,1190) = 703290

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Least Common Multiple of 1182 and 1190 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1182 and 1190, than apply into the LCM equation.

GCF(1182,1190) = 2
LCM(1182,1190) = ( 1182 × 1190) / 2
LCM(1182,1190) = 1406580 / 2
LCM(1182,1190) = 703290

Least Common Multiple (LCM) of 1182 and 1190 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1182 and 1190. First we will calculate the prime factors of 1182 and 1190.

Prime Factorization of 1182

Prime factors of 1182 are 2, 3, 197. Prime factorization of 1182 in exponential form is:

1182 = 21 × 31 × 1971

Prime Factorization of 1190

Prime factors of 1190 are 2, 5, 7, 17. Prime factorization of 1190 in exponential form is:

1190 = 21 × 51 × 71 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 1182 and 1190.

LCM(1182,1190) = 21 × 31 × 1971 × 51 × 71 × 171
LCM(1182,1190) = 703290