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What is the Least Common Multiple of 12702 and 12712?

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 12702 and 12712 is 80733912.

LCM(12702,12712) = 80733912

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Least Common Multiple of 12702 and 12712 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12702 and 12712, than apply into the LCM equation.

GCF(12702,12712) = 2
LCM(12702,12712) = ( 12702 × 12712) / 2
LCM(12702,12712) = 161467824 / 2
LCM(12702,12712) = 80733912

Least Common Multiple (LCM) of 12702 and 12712 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12702 and 12712. First we will calculate the prime factors of 12702 and 12712.

Prime Factorization of 12702

Prime factors of 12702 are 2, 3, 29, 73. Prime factorization of 12702 in exponential form is:

12702 = 21 × 31 × 291 × 731

Prime Factorization of 12712

Prime factors of 12712 are 2, 7, 227. Prime factorization of 12712 in exponential form is:

12712 = 23 × 71 × 2271

Now multiplying the highest exponent prime factors to calculate the LCM of 12702 and 12712.

LCM(12702,12712) = 23 × 31 × 291 × 731 × 71 × 2271
LCM(12702,12712) = 80733912