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What is the Least Common Multiple of 7775 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 7775 and 7795 is 12121225.

LCM(7775,7795) = 12121225

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Least Common Multiple of 7775 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 7775 and 7795, than apply into the LCM equation.

GCF(7775,7795) = 5
LCM(7775,7795) = ( 7775 × 7795) / 5
LCM(7775,7795) = 60606125 / 5
LCM(7775,7795) = 12121225

Least Common Multiple (LCM) of 7775 and 7795 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7775 and 7795. First we will calculate the prime factors of 7775 and 7795.

Prime Factorization of 7775

Prime factors of 7775 are 5, 311. Prime factorization of 7775 in exponential form is:

7775 = 52 × 3111

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 7775 and 7795.

LCM(7775,7795) = 52 × 3111 × 15591
LCM(7775,7795) = 12121225