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What is the Least Common Multiple of 12435 and 12453?

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 12435 and 12453 is 51617685.

LCM(12435,12453) = 51617685

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Least Common Multiple of 12435 and 12453 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12435 and 12453, than apply into the LCM equation.

GCF(12435,12453) = 3
LCM(12435,12453) = ( 12435 × 12453) / 3
LCM(12435,12453) = 154853055 / 3
LCM(12435,12453) = 51617685

Least Common Multiple (LCM) of 12435 and 12453 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12435 and 12453. First we will calculate the prime factors of 12435 and 12453.

Prime Factorization of 12435

Prime factors of 12435 are 3, 5, 829. Prime factorization of 12435 in exponential form is:

12435 = 31 × 51 × 8291

Prime Factorization of 12453

Prime factors of 12453 are 3, 7, 593. Prime factorization of 12453 in exponential form is:

12453 = 31 × 71 × 5931

Now multiplying the highest exponent prime factors to calculate the LCM of 12435 and 12453.

LCM(12435,12453) = 31 × 51 × 8291 × 71 × 5931
LCM(12435,12453) = 51617685