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What is the Least Common Multiple of 6780 and 6792?

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 6780 and 6792 is 3837480.

LCM(6780,6792) = 3837480

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Least Common Multiple of 6780 and 6792 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6780 and 6792, than apply into the LCM equation.

GCF(6780,6792) = 12
LCM(6780,6792) = ( 6780 × 6792) / 12
LCM(6780,6792) = 46049760 / 12
LCM(6780,6792) = 3837480

Least Common Multiple (LCM) of 6780 and 6792 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6780 and 6792. First we will calculate the prime factors of 6780 and 6792.

Prime Factorization of 6780

Prime factors of 6780 are 2, 3, 5, 113. Prime factorization of 6780 in exponential form is:

6780 = 22 × 31 × 51 × 1131

Prime Factorization of 6792

Prime factors of 6792 are 2, 3, 283. Prime factorization of 6792 in exponential form is:

6792 = 23 × 31 × 2831

Now multiplying the highest exponent prime factors to calculate the LCM of 6780 and 6792.

LCM(6780,6792) = 23 × 31 × 51 × 1131 × 2831
LCM(6780,6792) = 3837480