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What is the Least Common Multiple of 12657 and 12661?

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 12657 and 12661 is 160250277.

LCM(12657,12661) = 160250277

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Least Common Multiple of 12657 and 12661 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12657 and 12661, than apply into the LCM equation.

GCF(12657,12661) = 1
LCM(12657,12661) = ( 12657 × 12661) / 1
LCM(12657,12661) = 160250277 / 1
LCM(12657,12661) = 160250277

Least Common Multiple (LCM) of 12657 and 12661 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12657 and 12661. First we will calculate the prime factors of 12657 and 12661.

Prime Factorization of 12657

Prime factors of 12657 are 3, 4219. Prime factorization of 12657 in exponential form is:

12657 = 31 × 42191

Prime Factorization of 12661

Prime factors of 12661 are 11, 1151. Prime factorization of 12661 in exponential form is:

12661 = 111 × 11511

Now multiplying the highest exponent prime factors to calculate the LCM of 12657 and 12661.

LCM(12657,12661) = 31 × 42191 × 111 × 11511
LCM(12657,12661) = 160250277