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What is the Least Common Multiple of 12907 and 12921?

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 12907 and 12921 is 166771347.

LCM(12907,12921) = 166771347

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Least Common Multiple of 12907 and 12921 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12907 and 12921, than apply into the LCM equation.

GCF(12907,12921) = 1
LCM(12907,12921) = ( 12907 × 12921) / 1
LCM(12907,12921) = 166771347 / 1
LCM(12907,12921) = 166771347

Least Common Multiple (LCM) of 12907 and 12921 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12907 and 12921. First we will calculate the prime factors of 12907 and 12921.

Prime Factorization of 12907

Prime factors of 12907 are 12907. Prime factorization of 12907 in exponential form is:

12907 = 129071

Prime Factorization of 12921

Prime factors of 12921 are 3, 59, 73. Prime factorization of 12921 in exponential form is:

12921 = 31 × 591 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 12907 and 12921.

LCM(12907,12921) = 129071 × 31 × 591 × 731
LCM(12907,12921) = 166771347