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What is the Least Common Multiple of 7786 and 7791?

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 7786 and 7791 is 60660726.

LCM(7786,7791) = 60660726

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Least Common Multiple of 7786 and 7791 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7786 and 7791, than apply into the LCM equation.

GCF(7786,7791) = 1
LCM(7786,7791) = ( 7786 × 7791) / 1
LCM(7786,7791) = 60660726 / 1
LCM(7786,7791) = 60660726

Least Common Multiple (LCM) of 7786 and 7791 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7786 and 7791. First we will calculate the prime factors of 7786 and 7791.

Prime Factorization of 7786

Prime factors of 7786 are 2, 17, 229. Prime factorization of 7786 in exponential form is:

7786 = 21 × 171 × 2291

Prime Factorization of 7791

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

7791 = 31 × 72 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 7786 and 7791.

LCM(7786,7791) = 21 × 171 × 2291 × 31 × 72 × 531
LCM(7786,7791) = 60660726