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What is the Least Common Multiple of 7734 and 7743?

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 7734 and 7743 is 19961454.

LCM(7734,7743) = 19961454

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Least Common Multiple of 7734 and 7743 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7734 and 7743, than apply into the LCM equation.

GCF(7734,7743) = 3
LCM(7734,7743) = ( 7734 × 7743) / 3
LCM(7734,7743) = 59884362 / 3
LCM(7734,7743) = 19961454

Least Common Multiple (LCM) of 7734 and 7743 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7734 and 7743. First we will calculate the prime factors of 7734 and 7743.

Prime Factorization of 7734

Prime factors of 7734 are 2, 3, 1289. Prime factorization of 7734 in exponential form is:

7734 = 21 × 31 × 12891

Prime Factorization of 7743

Prime factors of 7743 are 3, 29, 89. Prime factorization of 7743 in exponential form is:

7743 = 31 × 291 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 7734 and 7743.

LCM(7734,7743) = 21 × 31 × 12891 × 291 × 891
LCM(7734,7743) = 19961454