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What is the Least Common Multiple of 12749 and 12758?

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 12758 is 162651742.

LCM(12749,12758) = 162651742

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Least Common Multiple of 12749 and 12758 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 12758, than apply into the LCM equation.

GCF(12749,12758) = 1
LCM(12749,12758) = ( 12749 × 12758) / 1
LCM(12749,12758) = 162651742 / 1
LCM(12749,12758) = 162651742

Least Common Multiple (LCM) of 12749 and 12758 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12749 and 12758. First we will calculate the prime factors of 12749 and 12758.

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 12758

Prime factors of 12758 are 2, 6379. Prime factorization of 12758 in exponential form is:

12758 = 21 × 63791

Now multiplying the highest exponent prime factors to calculate the LCM of 12749 and 12758.

LCM(12749,12758) = 111 × 191 × 611 × 21 × 63791
LCM(12749,12758) = 162651742