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What is the Least Common Multiple of 30186 and 30198?

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 30186 and 30198 is 151926138.

LCM(30186,30198) = 151926138

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Least Common Multiple of 30186 and 30198 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30186 and 30198, than apply into the LCM equation.

GCF(30186,30198) = 6
LCM(30186,30198) = ( 30186 × 30198) / 6
LCM(30186,30198) = 911556828 / 6
LCM(30186,30198) = 151926138

Least Common Multiple (LCM) of 30186 and 30198 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30186 and 30198. First we will calculate the prime factors of 30186 and 30198.

Prime Factorization of 30186

Prime factors of 30186 are 2, 3, 13, 43. Prime factorization of 30186 in exponential form is:

30186 = 21 × 33 × 131 × 431

Prime Factorization of 30198

Prime factors of 30198 are 2, 3, 7, 719. Prime factorization of 30198 in exponential form is:

30198 = 21 × 31 × 71 × 7191

Now multiplying the highest exponent prime factors to calculate the LCM of 30186 and 30198.

LCM(30186,30198) = 21 × 33 × 131 × 431 × 71 × 7191
LCM(30186,30198) = 151926138