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What is the Least Common Multiple of 7686 and 7693?

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 7686 and 7693 is 8446914.

LCM(7686,7693) = 8446914

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Least Common Multiple of 7686 and 7693 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7686 and 7693, than apply into the LCM equation.

GCF(7686,7693) = 7
LCM(7686,7693) = ( 7686 × 7693) / 7
LCM(7686,7693) = 59128398 / 7
LCM(7686,7693) = 8446914

Least Common Multiple (LCM) of 7686 and 7693 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7686 and 7693. First we will calculate the prime factors of 7686 and 7693.

Prime Factorization of 7686

Prime factors of 7686 are 2, 3, 7, 61. Prime factorization of 7686 in exponential form is:

7686 = 21 × 32 × 71 × 611

Prime Factorization of 7693

Prime factors of 7693 are 7, 157. Prime factorization of 7693 in exponential form is:

7693 = 72 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 7686 and 7693.

LCM(7686,7693) = 21 × 32 × 72 × 611 × 1571
LCM(7686,7693) = 8446914