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What is the Least Common Multiple of 2761 and 2768?

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 2761 and 2768 is 7642448.

LCM(2761,2768) = 7642448

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Least Common Multiple of 2761 and 2768 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2761 and 2768, than apply into the LCM equation.

GCF(2761,2768) = 1
LCM(2761,2768) = ( 2761 × 2768) / 1
LCM(2761,2768) = 7642448 / 1
LCM(2761,2768) = 7642448

Least Common Multiple (LCM) of 2761 and 2768 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2761 and 2768. First we will calculate the prime factors of 2761 and 2768.

Prime Factorization of 2761

Prime factors of 2761 are 11, 251. Prime factorization of 2761 in exponential form is:

2761 = 111 × 2511

Prime Factorization of 2768

Prime factors of 2768 are 2, 173. Prime factorization of 2768 in exponential form is:

2768 = 24 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 2761 and 2768.

LCM(2761,2768) = 111 × 2511 × 24 × 1731
LCM(2761,2768) = 7642448