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What is the Least Common Multiple of 7716 and 7732?

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 7716 and 7732 is 14915028.

LCM(7716,7732) = 14915028

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Least Common Multiple of 7716 and 7732 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7716 and 7732, than apply into the LCM equation.

GCF(7716,7732) = 4
LCM(7716,7732) = ( 7716 × 7732) / 4
LCM(7716,7732) = 59660112 / 4
LCM(7716,7732) = 14915028

Least Common Multiple (LCM) of 7716 and 7732 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7716 and 7732. First we will calculate the prime factors of 7716 and 7732.

Prime Factorization of 7716

Prime factors of 7716 are 2, 3, 643. Prime factorization of 7716 in exponential form is:

7716 = 22 × 31 × 6431

Prime Factorization of 7732

Prime factors of 7732 are 2, 1933. Prime factorization of 7732 in exponential form is:

7732 = 22 × 19331

Now multiplying the highest exponent prime factors to calculate the LCM of 7716 and 7732.

LCM(7716,7732) = 22 × 31 × 6431 × 19331
LCM(7716,7732) = 14915028