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What is the Least Common Multiple of 67188 and 67198?

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 67188 and 67198 is 2257449612.

LCM(67188,67198) = 2257449612

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Least Common Multiple of 67188 and 67198 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67188 and 67198, than apply into the LCM equation.

GCF(67188,67198) = 2
LCM(67188,67198) = ( 67188 × 67198) / 2
LCM(67188,67198) = 4514899224 / 2
LCM(67188,67198) = 2257449612

Least Common Multiple (LCM) of 67188 and 67198 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67188 and 67198. First we will calculate the prime factors of 67188 and 67198.

Prime Factorization of 67188

Prime factors of 67188 are 2, 3, 11, 509. Prime factorization of 67188 in exponential form is:

67188 = 22 × 31 × 111 × 5091

Prime Factorization of 67198

Prime factors of 67198 are 2, 33599. Prime factorization of 67198 in exponential form is:

67198 = 21 × 335991

Now multiplying the highest exponent prime factors to calculate the LCM of 67188 and 67198.

LCM(67188,67198) = 22 × 31 × 111 × 5091 × 335991
LCM(67188,67198) = 2257449612