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What is the Least Common Multiple of 12261 and 12278?

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 12261 and 12278 is 150540558.

LCM(12261,12278) = 150540558

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Least Common Multiple of 12261 and 12278 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12261 and 12278, than apply into the LCM equation.

GCF(12261,12278) = 1
LCM(12261,12278) = ( 12261 × 12278) / 1
LCM(12261,12278) = 150540558 / 1
LCM(12261,12278) = 150540558

Least Common Multiple (LCM) of 12261 and 12278 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12261 and 12278. First we will calculate the prime factors of 12261 and 12278.

Prime Factorization of 12261

Prime factors of 12261 are 3, 61, 67. Prime factorization of 12261 in exponential form is:

12261 = 31 × 611 × 671

Prime Factorization of 12278

Prime factors of 12278 are 2, 7, 877. Prime factorization of 12278 in exponential form is:

12278 = 21 × 71 × 8771

Now multiplying the highest exponent prime factors to calculate the LCM of 12261 and 12278.

LCM(12261,12278) = 31 × 611 × 671 × 21 × 71 × 8771
LCM(12261,12278) = 150540558