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What is the Least Common Multiple of 7881 and 7886?

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 7881 and 7886 is 62149566.

LCM(7881,7886) = 62149566

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Least Common Multiple of 7881 and 7886 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7881 and 7886, than apply into the LCM equation.

GCF(7881,7886) = 1
LCM(7881,7886) = ( 7881 × 7886) / 1
LCM(7881,7886) = 62149566 / 1
LCM(7881,7886) = 62149566

Least Common Multiple (LCM) of 7881 and 7886 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7881 and 7886. First we will calculate the prime factors of 7881 and 7886.

Prime Factorization of 7881

Prime factors of 7881 are 3, 37, 71. Prime factorization of 7881 in exponential form is:

7881 = 31 × 371 × 711

Prime Factorization of 7886

Prime factors of 7886 are 2, 3943. Prime factorization of 7886 in exponential form is:

7886 = 21 × 39431

Now multiplying the highest exponent prime factors to calculate the LCM of 7881 and 7886.

LCM(7881,7886) = 31 × 371 × 711 × 21 × 39431
LCM(7881,7886) = 62149566