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What is the Least Common Multiple of 12194 and 12206?

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 12194 and 12206 is 74419982.

LCM(12194,12206) = 74419982

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Least Common Multiple of 12194 and 12206 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12194 and 12206, than apply into the LCM equation.

GCF(12194,12206) = 2
LCM(12194,12206) = ( 12194 × 12206) / 2
LCM(12194,12206) = 148839964 / 2
LCM(12194,12206) = 74419982

Least Common Multiple (LCM) of 12194 and 12206 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12194 and 12206. First we will calculate the prime factors of 12194 and 12206.

Prime Factorization of 12194

Prime factors of 12194 are 2, 7, 13, 67. Prime factorization of 12194 in exponential form is:

12194 = 21 × 71 × 131 × 671

Prime Factorization of 12206

Prime factors of 12206 are 2, 17, 359. Prime factorization of 12206 in exponential form is:

12206 = 21 × 171 × 3591

Now multiplying the highest exponent prime factors to calculate the LCM of 12194 and 12206.

LCM(12194,12206) = 21 × 71 × 131 × 671 × 171 × 3591
LCM(12194,12206) = 74419982