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What is the Least Common Multiple of 7791 and 7795?

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 7791 and 7795 is 60730845.

LCM(7791,7795) = 60730845

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Least Common Multiple of 7791 and 7795 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7791 and 7795, than apply into the LCM equation.

GCF(7791,7795) = 1
LCM(7791,7795) = ( 7791 × 7795) / 1
LCM(7791,7795) = 60730845 / 1
LCM(7791,7795) = 60730845

Least Common Multiple (LCM) of 7791 and 7795 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7791 and 7795. First we will calculate the prime factors of 7791 and 7795.

Prime Factorization of 7791

Prime factors of 7791 are 3, 7, 53. Prime factorization of 7791 in exponential form is:

7791 = 31 × 72 × 531

Prime Factorization of 7795

Prime factors of 7795 are 5, 1559. Prime factorization of 7795 in exponential form is:

7795 = 51 × 15591

Now multiplying the highest exponent prime factors to calculate the LCM of 7791 and 7795.

LCM(7791,7795) = 31 × 72 × 531 × 51 × 15591
LCM(7791,7795) = 60730845