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What is the Least Common Multiple of 12154 and 12162?

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 12154 and 12162 is 73908474.

LCM(12154,12162) = 73908474

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Least Common Multiple of 12154 and 12162 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12154 and 12162, than apply into the LCM equation.

GCF(12154,12162) = 2
LCM(12154,12162) = ( 12154 × 12162) / 2
LCM(12154,12162) = 147816948 / 2
LCM(12154,12162) = 73908474

Least Common Multiple (LCM) of 12154 and 12162 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12154 and 12162. First we will calculate the prime factors of 12154 and 12162.

Prime Factorization of 12154

Prime factors of 12154 are 2, 59, 103. Prime factorization of 12154 in exponential form is:

12154 = 21 × 591 × 1031

Prime Factorization of 12162

Prime factors of 12162 are 2, 3, 2027. Prime factorization of 12162 in exponential form is:

12162 = 21 × 31 × 20271

Now multiplying the highest exponent prime factors to calculate the LCM of 12154 and 12162.

LCM(12154,12162) = 21 × 591 × 1031 × 31 × 20271
LCM(12154,12162) = 73908474