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What is the Least Common Multiple of 77748 and 77766?

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 77748 and 77766 is 1007691828.

LCM(77748,77766) = 1007691828

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Least Common Multiple of 77748 and 77766 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77748 and 77766, than apply into the LCM equation.

GCF(77748,77766) = 6
LCM(77748,77766) = ( 77748 × 77766) / 6
LCM(77748,77766) = 6046150968 / 6
LCM(77748,77766) = 1007691828

Least Common Multiple (LCM) of 77748 and 77766 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77748 and 77766. First we will calculate the prime factors of 77748 and 77766.

Prime Factorization of 77748

Prime factors of 77748 are 2, 3, 11, 19, 31. Prime factorization of 77748 in exponential form is:

77748 = 22 × 31 × 111 × 191 × 311

Prime Factorization of 77766

Prime factors of 77766 are 2, 3, 13, 997. Prime factorization of 77766 in exponential form is:

77766 = 21 × 31 × 131 × 9971

Now multiplying the highest exponent prime factors to calculate the LCM of 77748 and 77766.

LCM(77748,77766) = 22 × 31 × 111 × 191 × 311 × 131 × 9971
LCM(77748,77766) = 1007691828