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What is the Least Common Multiple of 12749 and 12756?

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 12749 and 12756 is 162626244.

LCM(12749,12756) = 162626244

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Least Common Multiple of 12749 and 12756 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12749 and 12756, than apply into the LCM equation.

GCF(12749,12756) = 1
LCM(12749,12756) = ( 12749 × 12756) / 1
LCM(12749,12756) = 162626244 / 1
LCM(12749,12756) = 162626244

Least Common Multiple (LCM) of 12749 and 12756 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12749 and 12756. First we will calculate the prime factors of 12749 and 12756.

Prime Factorization of 12749

Prime factors of 12749 are 11, 19, 61. Prime factorization of 12749 in exponential form is:

12749 = 111 × 191 × 611

Prime Factorization of 12756

Prime factors of 12756 are 2, 3, 1063. Prime factorization of 12756 in exponential form is:

12756 = 22 × 31 × 10631

Now multiplying the highest exponent prime factors to calculate the LCM of 12749 and 12756.

LCM(12749,12756) = 111 × 191 × 611 × 22 × 31 × 10631
LCM(12749,12756) = 162626244